./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:26:50,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:26:50,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:26:50,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:26:50,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:26:50,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:26:50,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:26:50,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:26:50,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:26:50,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:26:50,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:26:50,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:26:50,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:26:50,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:26:50,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:26:50,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:26:50,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:26:50,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:26:50,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:26:50,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:26:50,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:26:50,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:26:50,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:26:50,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:26:50,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:26:50,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:26:50,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:26:50,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:26:50,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:26:50,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:26:50,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:26:50,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:26:50,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:26:50,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:26:50,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:26:50,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:26:50,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:26:50,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:26:50,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:26:50,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:26:50,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:26:50,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:26:51,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:26:51,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:26:51,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:26:51,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:26:51,031 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:26:51,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:26:51,031 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:26:51,032 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:26:51,038 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:26:51,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:26:51,039 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:26:51,039 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:26:51,040 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:26:51,040 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:26:51,040 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:26:51,041 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:26:51,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:26:51,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:26:51,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:26:51,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:26:51,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:26:51,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:26:51,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:26:51,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:26:51,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:26:51,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:26:51,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:26:51,044 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:26:51,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:26:51,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:26:51,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:26:51,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:26:51,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:26:51,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:26:51,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:26:51,053 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:26:51,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:26:51,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:26:51,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:26:51,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:26:51,054 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_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 [2021-11-12 23:26:51,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:26:51,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:26:51,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:26:51,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:26:51,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:26:51,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-multidimensional/copy-2-u.c [2021-11-12 23:26:51,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/data/4c8943e5f/f3448a0b524545d3b3c331638c0554d5/FLAG4b6ab491d [2021-11-12 23:26:51,874 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:26:51,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/sv-benchmarks/c/array-multidimensional/copy-2-u.c [2021-11-12 23:26:51,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/data/4c8943e5f/f3448a0b524545d3b3c331638c0554d5/FLAG4b6ab491d [2021-11-12 23:26:52,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/data/4c8943e5f/f3448a0b524545d3b3c331638c0554d5 [2021-11-12 23:26:52,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:26:52,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:26:52,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:26:52,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:26:52,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:26:52,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d70b8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52, skipping insertion in model container [2021-11-12 23:26:52,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:26:52,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:26:52,533 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_c5b85465-1f60-476a-91f5-7b99e31581aa/sv-benchmarks/c/array-multidimensional/copy-2-u.c[320,333] [2021-11-12 23:26:52,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:26:52,555 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:26:52,567 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_c5b85465-1f60-476a-91f5-7b99e31581aa/sv-benchmarks/c/array-multidimensional/copy-2-u.c[320,333] [2021-11-12 23:26:52,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:26:52,589 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:26:52,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52 WrapperNode [2021-11-12 23:26:52,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:26:52,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:26:52,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:26:52,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:26:52,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:26:52,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:26:52,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:26:52,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:26:52,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:26:52,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:26:52,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:26:52,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:26:52,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (1/1) ... [2021-11-12 23:26:52,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:26:52,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:26:52,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:26:52,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:26:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:26:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:26:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:26:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:26:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:26:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:26:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:26:52,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:26:52,975 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-12 23:26:52,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:26:52 BoogieIcfgContainer [2021-11-12 23:26:52,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:26:52,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:26:52,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:26:52,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:26:52,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:26:52" (1/3) ... [2021-11-12 23:26:52,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789be20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:26:52, skipping insertion in model container [2021-11-12 23:26:52,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:26:52" (2/3) ... [2021-11-12 23:26:52,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789be20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:26:52, skipping insertion in model container [2021-11-12 23:26:52,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:26:52" (3/3) ... [2021-11-12 23:26:52,986 INFO L111 eAbstractionObserver]: Analyzing ICFG copy-2-u.c [2021-11-12 23:26:52,991 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:26:52,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:26:53,065 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:26:53,073 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:26:53,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:26:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:26:53,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:53,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:53,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:53,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:53,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1209143189, now seen corresponding path program 1 times [2021-11-12 23:26:53,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:26:53,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093995629] [2021-11-12 23:26:53,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:53,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:26:53,192 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:26:53,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385979227] [2021-11-12 23:26:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:53,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:26:53,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:26:53,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:26:53,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:26:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:53,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:26:53,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:26:53,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:26:53,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:26:53,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093995629] [2021-11-12 23:26:53,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:26:53,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385979227] [2021-11-12 23:26:53,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385979227] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:53,380 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:53,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-12 23:26:53,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395312723] [2021-11-12 23:26:53,383 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:53,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:26:53,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:26:53,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:26:53,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:26:53,441 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:53,558 INFO L93 Difference]: Finished difference Result 24 states and 37 transitions. [2021-11-12 23:26:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:53,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:26:53,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:53,568 INFO L225 Difference]: With dead ends: 24 [2021-11-12 23:26:53,568 INFO L226 Difference]: Without dead ends: 14 [2021-11-12 23:26:53,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:26:53,578 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:53,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 33 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 82.84ms Time] [2021-11-12 23:26:53,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-12 23:26:53,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-12 23:26:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-12 23:26:53,627 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 20 transitions. Word has length 7 [2021-11-12 23:26:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:53,628 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-12 23:26:53,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-12 23:26:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:26:53,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:53,630 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:53,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:53,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-12 23:26:53,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:53,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:53,852 INFO L85 PathProgramCache]: Analyzing trace with hash 30848235, now seen corresponding path program 1 times [2021-11-12 23:26:53,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:26:53,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338283703] [2021-11-12 23:26:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:53,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:26:53,860 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:26:53,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448488313] [2021-11-12 23:26:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:53,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:26:53,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:26:53,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:26:53,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:26:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:53,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:26:53,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:26:54,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:26:54,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:26:54,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338283703] [2021-11-12 23:26:54,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:26:54,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448488313] [2021-11-12 23:26:54,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448488313] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:54,062 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:54,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-12 23:26:54,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437943010] [2021-11-12 23:26:54,063 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:54,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:26:54,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:26:54,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:26:54,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:54,067 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:54,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:54,144 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2021-11-12 23:26:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:26:54,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-12 23:26:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:54,145 INFO L225 Difference]: With dead ends: 39 [2021-11-12 23:26:54,146 INFO L226 Difference]: Without dead ends: 28 [2021-11-12 23:26:54,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:26:54,148 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 50 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.74ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.60ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:54,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 6 Invalid, 67 Unknown, 0 Unchecked, 1.74ms Time], IncrementalHoareTripleChecker [44 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 54.60ms Time] [2021-11-12 23:26:54,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-12 23:26:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2021-11-12 23:26:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-11-12 23:26:54,157 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 11 [2021-11-12 23:26:54,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:54,158 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-11-12 23:26:54,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:26:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-12 23:26:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:26:54,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:54,159 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:54,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:54,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:26:54,373 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:54,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:54,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1663676011, now seen corresponding path program 1 times [2021-11-12 23:26:54,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:26:54,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415129416] [2021-11-12 23:26:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:26:54,387 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:26:54,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387520843] [2021-11-12 23:26:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:54,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:26:54,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:26:54,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:26:54,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:26:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:54,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:26:54,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:26:54,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:26:54,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:26:54,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415129416] [2021-11-12 23:26:54,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:26:54,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387520843] [2021-11-12 23:26:54,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387520843] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:26:54,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2050467531] [2021-11-12 23:26:54,625 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-12 23:26:54,626 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:26:54,630 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:26:54,637 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:26:54,638 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:26:54,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:54,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:26:54,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:54,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:26:54,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:26:54,715 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 55=[|v_#valid_30|]} [2021-11-12 23:26:54,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:26:54,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:54,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:54,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:54,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:54,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:54,932 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:26:54,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:26:54,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:54,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:54,942 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:54,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:54,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:54,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:26:54,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:54,977 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:26:54,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:26:55,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,033 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-12 23:26:55,051 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-12 23:26:55,065 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:26:55,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:26:55,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:26:55,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:26:55,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:55,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:26:55,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:26:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:55,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-12 23:26:55,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:55,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:55,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:55,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:26:55,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:55,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-12 23:26:55,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-12 23:26:55,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,430 INFO L185 QuantifierPusher]: treesize reduction 29, result has 49.1 percent of original size 28 [2021-11-12 23:26:55,438 INFO L185 QuantifierPusher]: treesize reduction 30, result has 77.9 percent of original size 106 [2021-11-12 23:26:55,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:26:55,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:26:55,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:26:55,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-12 23:26:55,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:26:55,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:55,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:55,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:55,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:26:55,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:55,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:55,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:55,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,543 INFO L180 QuantifierPusher]: treesize reduction 107, result has 60.4 percent of original size [2021-11-12 23:26:55,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-12 23:26:55,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:26:55,550 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:277, output treesize:184 [2021-11-12 23:26:55,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,668 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:26:55,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:55,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:55,689 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:26:55,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:26:55,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:26:55,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:26:55,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:26:55,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:26:55,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:55,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:55,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:55,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:26:55,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:55,729 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:26:55,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,800 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:26:55,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:55,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:55,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:55,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:55,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:26:55,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:56,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:56,013 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-12 23:26:56,036 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:26:56,060 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:26:56,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:56,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:56,105 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:26:56,114 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:26:56,128 INFO L180 QuantifierPusher]: treesize reduction 166, result has 26.5 percent of original size [2021-11-12 23:26:56,131 INFO L185 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size 1 [2021-11-12 23:26:56,133 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:26:56,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2050467531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:56,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:26:56,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 12 [2021-11-12 23:26:56,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802081522] [2021-11-12 23:26:56,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:56,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:56,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:26:56,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:56,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:26:56,904 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) [2021-11-12 23:26:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:57,285 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2021-11-12 23:26:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:26:57,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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 15 [2021-11-12 23:26:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:57,286 INFO L225 Difference]: With dead ends: 42 [2021-11-12 23:26:57,287 INFO L226 Difference]: Without dead ends: 32 [2021-11-12 23:26:57,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:26:57,288 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.45ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.35ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:57,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 9 Invalid, 56 Unknown, 0 Unchecked, 1.45ms Time], IncrementalHoareTripleChecker [20 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 97.35ms Time] [2021-11-12 23:26:57,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-12 23:26:57,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2021-11-12 23:26:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 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) [2021-11-12 23:26:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-12 23:26:57,301 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 15 [2021-11-12 23:26:57,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:57,301 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-12 23:26:57,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) [2021-11-12 23:26:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-12 23:26:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:26:57,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:57,302 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:57,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:57,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-12 23:26:57,519 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:57,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:57,519 INFO L85 PathProgramCache]: Analyzing trace with hash 629765507, now seen corresponding path program 1 times [2021-11-12 23:26:57,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:26:57,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042487269] [2021-11-12 23:26:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:57,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:26:57,524 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:26:57,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352997417] [2021-11-12 23:26:57,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:57,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:26:57,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:26:57,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:26:57,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:26:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:57,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:26:57,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:26:57,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:26:57,708 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:26:57,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042487269] [2021-11-12 23:26:57,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:26:57,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352997417] [2021-11-12 23:26:57,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352997417] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:26:57,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1018004016] [2021-11-12 23:26:57,712 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:26:57,712 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:26:57,712 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:26:57,713 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:26:57,713 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:26:57,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:26:57,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:26:57,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:26:57,746 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 55=[|v_#valid_31|]} [2021-11-12 23:26:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:26:57,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:57,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:57,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:57,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:57,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,849 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:26:57,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:26:57,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:57,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:57,855 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:57,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:57,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:26:57,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:57,869 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:26:57,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:26:57,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,891 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-12 23:26:57,897 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-12 23:26:57,901 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:26:57,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:26:57,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:57,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:26:57,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:26:57,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:57,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:26:57,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:26:57,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:57,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-12 23:26:57,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:57,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:26:57,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:57,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:57,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:57,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:26:57,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:57,975 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-12 23:26:57,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:57,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-12 23:26:58,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,157 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,161 INFO L185 QuantifierPusher]: treesize reduction 29, result has 49.1 percent of original size 28 [2021-11-12 23:26:58,168 INFO L185 QuantifierPusher]: treesize reduction 30, result has 77.9 percent of original size 106 [2021-11-12 23:26:58,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:26:58,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:26:58,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:26:58,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-12 23:26:58,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:26:58,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:58,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:58,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:26:58,209 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 21 treesize of output 1 [2021-11-12 23:26:58,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:26:58,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:26:58,211 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,221 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:26:58,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:26:58,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,224 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:277, output treesize:90 [2021-11-12 23:26:58,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,314 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:26:58,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,324 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:26:58,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:26:58,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:26:58,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:26:58,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:26:58,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:26:58,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:58,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:26:58,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:26:58,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,350 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:26:58,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,397 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:26:58,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:26:58,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,546 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-12 23:26:58,566 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:26:58,585 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:26:58,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,614 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:26:58,618 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:26:58,626 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:26:58,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,633 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-12 23:26:58,635 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-12 23:26:58,636 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:26:58,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:58,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:26:58,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:26:58,659 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:26:58,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:26:58,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:58,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:58,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:26:58,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,667 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2021-11-12 23:26:58,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:26:58,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,753 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:26:58,758 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:26:58,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:58,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:26:58,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:26:58,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:26:58,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:26:58,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:26:58,795 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:26:58,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:26:58,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:58,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:58,798 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,806 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:26:58,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:26:58,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,808 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:26:58,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,877 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:26:58,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,885 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:26:58,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:58,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:26:58,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:26:58,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:26:58,905 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:26:58,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:26:58,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:58,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:26:58,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:58,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:26:58,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:26:58,913 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:26:58,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,960 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:26:58,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:58,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:58,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:26:59,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:59,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:59,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:59,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:26:59,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:26:59,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:26:59,054 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:26:59,058 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:26:59,065 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:26:59,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:26:59,071 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:27:00,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:00,314 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:27:00,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-11-12 23:27:00,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482938978] [2021-11-12 23:27:00,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:27:00,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:27:00,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:27:00,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:27:00,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:27:00,315 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:00,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:00,484 INFO L93 Difference]: Finished difference Result 80 states and 108 transitions. [2021-11-12 23:27:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:27:00,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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 19 [2021-11-12 23:27:00,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:00,486 INFO L225 Difference]: With dead ends: 80 [2021-11-12 23:27:00,486 INFO L226 Difference]: Without dead ends: 60 [2021-11-12 23:27:00,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:27:00,487 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 76 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:00,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 18 Invalid, 120 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [72 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 114.13ms Time] [2021-11-12 23:27:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-12 23:27:00,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2021-11-12 23:27:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-11-12 23:27:00,503 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 19 [2021-11-12 23:27:00,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:00,503 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-11-12 23:27:00,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2021-11-12 23:27:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-12 23:27:00,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:00,505 INFO L514 BasicCegarLoop]: trace histogram [12, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:00,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:00,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-11-12 23:27:00,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:27:00,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:00,731 INFO L85 PathProgramCache]: Analyzing trace with hash 816165891, now seen corresponding path program 2 times [2021-11-12 23:27:00,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:27:00,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66372293] [2021-11-12 23:27:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:00,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:27:00,737 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:27:00,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584789307] [2021-11-12 23:27:00,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:27:00,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:00,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:27:00,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:27:00,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 23:27:00,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:27:00,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:27:00,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:27:00,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-12 23:27:00,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-12 23:27:00,999 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:27:00,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66372293] [2021-11-12 23:27:00,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:00,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584789307] [2021-11-12 23:27:00,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584789307] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:27:00,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [372343130] [2021-11-12 23:27:01,005 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:27:01,005 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:27:01,005 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:27:01,006 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:27:01,006 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:27:01,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:27:01,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:27:01,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:27:01,027 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 55=[|v_#valid_32|]} [2021-11-12 23:27:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:27:01,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:01,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:01,057 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,116 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:27:01,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:27:01,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:01,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:01,121 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:27:01,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:27:01,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:27:01,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,149 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-12 23:27:01,153 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-12 23:27:01,156 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:27:01,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:27:01,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:27:01,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:01,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:01,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:27:01,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:27:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-12 23:27:01,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:01,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:01,191 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:27:01,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,205 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-12 23:27:01,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-12 23:27:01,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,361 INFO L185 QuantifierPusher]: treesize reduction 29, result has 49.1 percent of original size 28 [2021-11-12 23:27:01,365 INFO L185 QuantifierPusher]: treesize reduction 30, result has 77.9 percent of original size 106 [2021-11-12 23:27:01,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:27:01,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:27:01,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:01,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-12 23:27:01,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:27:01,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:01,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:01,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:01,405 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 21 treesize of output 1 [2021-11-12 23:27:01,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:01,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:01,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,416 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:27:01,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:01,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,419 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:277, output treesize:90 [2021-11-12 23:27:01,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,495 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:01,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:01,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:01,503 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:27:01,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:27:01,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:27:01,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:01,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:01,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:27:01,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:01,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:01,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:01,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:27:01,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,569 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:01,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:01,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,707 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-12 23:27:01,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:27:01,737 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:27:01,756 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:27:01,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,788 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:27:01,792 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:27:01,799 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:27:01,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:01,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:27:01,807 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-12 23:27:01,809 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:27:01,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:01,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:27:01,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:01,834 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:01,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:01,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:01,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:01,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:01,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2021-11-12 23:27:01,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:01,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,910 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:27:01,914 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:27:01,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:01,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:01,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:27:01,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:27:01,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:01,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:01,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:01,947 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:01,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:01,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:01,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:01,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:01,959 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:27:01,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:01,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:01,960 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:27:01,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:01,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,027 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:02,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:02,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:02,040 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:27:02,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:02,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:02,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:02,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:02,060 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:02,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:02,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:02,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:02,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:02,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:02,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:02,069 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:27:02,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,105 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:02,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:02,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:02,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:02,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:02,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:02,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:02,206 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:27:02,211 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:27:02,217 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:27:02,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:02,223 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:27:03,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:03,229 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:27:03,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-11-12 23:27:03,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036853480] [2021-11-12 23:27:03,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:27:03,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:27:03,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:27:03,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:27:03,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:27:03,230 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:03,384 INFO L93 Difference]: Finished difference Result 187 states and 234 transitions. [2021-11-12 23:27:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:27:03,385 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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 31 [2021-11-12 23:27:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:03,387 INFO L225 Difference]: With dead ends: 187 [2021-11-12 23:27:03,388 INFO L226 Difference]: Without dead ends: 156 [2021-11-12 23:27:03,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:27:03,389 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 94 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:03,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 16 Invalid, 74 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [32 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 99.78ms Time] [2021-11-12 23:27:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-12 23:27:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2021-11-12 23:27:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 88 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions. [2021-11-12 23:27:03,419 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 31 [2021-11-12 23:27:03,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:03,420 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions. [2021-11-12 23:27:03,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2021-11-12 23:27:03,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:27:03,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:03,423 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:03,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:03,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:03,648 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:27:03,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:03,648 INFO L85 PathProgramCache]: Analyzing trace with hash 929533131, now seen corresponding path program 3 times [2021-11-12 23:27:03,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:27:03,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487210352] [2021-11-12 23:27:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:03,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:27:03,657 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:27:03,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342121564] [2021-11-12 23:27:03,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:27:03,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:03,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:27:03,658 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:27:03,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-12 23:27:03,746 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:27:03,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:27:03,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-12 23:27:03,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 15 proven. 310 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:27:04,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 15 proven. 310 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:27:04,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:27:04,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487210352] [2021-11-12 23:27:04,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:04,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342121564] [2021-11-12 23:27:04,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342121564] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:27:04,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [969990421] [2021-11-12 23:27:04,384 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:27:04,385 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:27:04,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:27:04,386 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:27:04,386 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:27:04,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:27:04,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:27:04,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:27:04,410 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 55=[|v_#valid_33|]} [2021-11-12 23:27:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:27:04,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:04,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:04,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,490 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:27:04,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:27:04,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:04,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:04,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:27:04,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,506 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:27:04,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:27:04,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,529 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-12 23:27:04,532 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-12 23:27:04,535 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:27:04,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:04,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:04,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:27:04,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:27:04,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:27:04,552 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-12 23:27:04,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:04,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-12 23:27:04,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:04,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:04,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,579 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-12 23:27:04,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-12 23:27:04,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,587 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-12 23:27:04,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:04,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,712 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:27:04,716 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:27:04,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:27:04,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:27:04,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:04,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 23:27:04,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:27:04,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:04,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:04,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:27:04,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:04,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:04,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,755 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:27:04,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:04,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,757 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:280, output treesize:90 [2021-11-12 23:27:04,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,830 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:04,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:04,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:04,837 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:27:04,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:27:04,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:27:04,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:04,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:04,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:04,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:27:04,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:04,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:04,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:04,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:04,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:04,860 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:27:04,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,911 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:04,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:04,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:04,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,054 INFO L185 QuantifierPusher]: treesize reduction 77, result has 47.6 percent of original size 70 [2021-11-12 23:27:05,067 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-12 23:27:05,079 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-12 23:27:05,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,098 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:27:05,102 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:27:05,109 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:27:05,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:05,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:27:05,116 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-12 23:27:05,118 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:27:05,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:27:05,123 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-12 23:27:05,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:05,139 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-12 23:27:05,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-12 23:27:05,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:27:05,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:27:05,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,149 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-12 23:27:05,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:27:05,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,150 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-12 23:27:05,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:05,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,215 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:27:05,219 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:27:05,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:05,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:27:05,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:27:05,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:05,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:05,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:05,264 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:05,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:05,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:05,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:05,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,274 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:27:05,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:05,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,276 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:27:05,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,341 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:05,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:05,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:05,348 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:27:05,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:05,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:05,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:05,366 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:05,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:05,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:05,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:05,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:05,373 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:05,373 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:27:05,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,407 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:05,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:05,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:05,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:05,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:05,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:05,494 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:27:05,509 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:27:05,516 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:27:05,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:05,522 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:27:06,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:06,619 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:27:06,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-11-12 23:27:06,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405919150] [2021-11-12 23:27:06,619 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:27:06,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-12 23:27:06,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:27:06,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-12 23:27:06,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2021-11-12 23:27:06,625 INFO L87 Difference]: Start difference. First operand 89 states and 105 transitions. Second operand has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:07,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:07,437 INFO L93 Difference]: Finished difference Result 307 states and 362 transitions. [2021-11-12 23:27:07,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-12 23:27:07,437 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-12 23:27:07,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:07,440 INFO L225 Difference]: With dead ends: 307 [2021-11-12 23:27:07,440 INFO L226 Difference]: Without dead ends: 252 [2021-11-12 23:27:07,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=831, Invalid=2475, Unknown=0, NotChecked=0, Total=3306 [2021-11-12 23:27:07,443 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 145 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 255.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.14ms SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 330.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:07,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 198 Invalid, 528 Unknown, 0 Unchecked, 4.14ms Time], IncrementalHoareTripleChecker [182 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 330.58ms Time] [2021-11-12 23:27:07,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-12 23:27:07,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 121. [2021-11-12 23:27:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.175) internal successors, (141), 120 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2021-11-12 23:27:07,480 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 71 [2021-11-12 23:27:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:07,480 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2021-11-12 23:27:07,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2021-11-12 23:27:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-12 23:27:07,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:07,483 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:07,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-12 23:27:07,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-11-12 23:27:07,701 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:27:07,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:07,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1795869435, now seen corresponding path program 4 times [2021-11-12 23:27:07,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:27:07,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39155334] [2021-11-12 23:27:07,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:07,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:27:07,709 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:27:07,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933175216] [2021-11-12 23:27:07,712 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:27:07,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:07,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:27:07,713 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:27:07,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-12 23:27:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:07,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:27:07,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2021-11-12 23:27:08,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2021-11-12 23:27:08,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:27:08,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39155334] [2021-11-12 23:27:08,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:08,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933175216] [2021-11-12 23:27:08,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933175216] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:27:08,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1254539403] [2021-11-12 23:27:08,387 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:27:08,387 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:27:08,387 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:27:08,387 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:27:08,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:27:08,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:27:08,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:27:08,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:27:08,399 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 55=[|v_#valid_34|]} [2021-11-12 23:27:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:27:08,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:08,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:08,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,498 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:27:08,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:27:08,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:08,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:08,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:27:08,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,513 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:27:08,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:27:08,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:27:08,534 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-12 23:27:08,536 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:27:08,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:27:08,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:08,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:27:08,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:27:08,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:27:08,551 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-12 23:27:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:08,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-12 23:27:08,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:08,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:08,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,577 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-12 23:27:08,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-12 23:27:08,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-12 23:27:08,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:08,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,703 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:27:08,706 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:27:08,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:27:08,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:27:08,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:08,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 23:27:08,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:27:08,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:08,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:08,738 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:27:08,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:08,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:08,743 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,750 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:27:08,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:08,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,752 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:280, output treesize:90 [2021-11-12 23:27:08,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,833 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:08,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:08,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:08,840 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:27:08,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:27:08,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:27:08,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:08,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:27:08,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:08,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:27:08,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:08,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:27:08,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:08,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:08,869 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:27:08,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,905 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:08,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:08,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:08,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:08,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,026 INFO L185 QuantifierPusher]: treesize reduction 77, result has 47.6 percent of original size 70 [2021-11-12 23:27:09,036 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-12 23:27:09,045 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-12 23:27:09,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,075 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:27:09,078 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:27:09,085 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:27:09,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:09,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,091 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-12 23:27:09,092 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-12 23:27:09,093 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:27:09,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:27:09,098 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-12 23:27:09,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:09,112 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-12 23:27:09,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-12 23:27:09,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:27:09,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:27:09,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,118 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-12 23:27:09,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:27:09,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,119 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-12 23:27:09,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:09,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,184 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:27:09,187 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:27:09,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:09,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:27:09,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:27:09,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:09,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:27:09,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:09,218 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:09,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:09,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:09,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:09,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,227 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:27:09,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:09,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,229 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:27:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,296 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:09,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:09,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:09,302 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:27:09,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:27:09,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:27:09,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:27:09,319 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:27:09,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:27:09,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:09,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:27:09,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:27:09,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:27:09,326 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:27:09,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,357 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:27:09,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:09,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:27:09,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:27:09,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:27:09,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:27:09,458 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:27:09,463 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:27:09,469 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:27:09,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:27:09,477 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:27:10,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:27:10,465 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:27:10,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-11-12 23:27:10,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964191079] [2021-11-12 23:27:10,466 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:27:10,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:27:10,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:27:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:27:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2021-11-12 23:27:10,469 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:10,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:10,861 INFO L93 Difference]: Finished difference Result 380 states and 518 transitions. [2021-11-12 23:27:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-12 23:27:10,862 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-12 23:27:10,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:10,863 INFO L225 Difference]: With dead ends: 380 [2021-11-12 23:27:10,863 INFO L226 Difference]: Without dead ends: 268 [2021-11-12 23:27:10,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=364, Invalid=566, Unknown=0, NotChecked=0, Total=930 [2021-11-12 23:27:10,865 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 232 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.48ms SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:10,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 42 Invalid, 254 Unknown, 0 Unchecked, 2.48ms Time], IncrementalHoareTripleChecker [180 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 176.27ms Time] [2021-11-12 23:27:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-12 23:27:10,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 241. [2021-11-12 23:27:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.1208333333333333) internal successors, (269), 240 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 269 transitions. [2021-11-12 23:27:10,914 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 269 transitions. Word has length 103 [2021-11-12 23:27:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:10,914 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 269 transitions. [2021-11-12 23:27:10,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:27:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 269 transitions. [2021-11-12 23:27:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-12 23:27:10,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:10,918 INFO L514 BasicCegarLoop]: trace histogram [84, 84, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:10,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:11,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable309 [2021-11-12 23:27:11,133 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:27:11,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:11,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2133958395, now seen corresponding path program 5 times [2021-11-12 23:27:11,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:27:11,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497102220] [2021-11-12 23:27:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:11,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:27:11,147 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:27:11,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977777491] [2021-11-12 23:27:11,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:27:11,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:11,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:27:11,149 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:27:11,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:36:56,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-11-12 23:36:56,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:36:56,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-12 23:36:56,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8052 backedges. 1131 proven. 105 refuted. 0 times theorem prover too weak. 6816 trivial. 0 not checked. [2021-11-12 23:36:57,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8052 backedges. 6 proven. 1230 refuted. 0 times theorem prover too weak. 6816 trivial. 0 not checked. [2021-11-12 23:36:58,016 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:36:58,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497102220] [2021-11-12 23:36:58,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:36:58,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977777491] [2021-11-12 23:36:58,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977777491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:36:58,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [567502882] [2021-11-12 23:36:58,019 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:36:58,019 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:36:58,020 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:36:58,020 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:36:58,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:36:58,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:36:58,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:36:58,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:36:58,034 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 55=[|v_#valid_35|]} [2021-11-12 23:36:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:36:58,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:36:58,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:36:58,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,149 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:36:58,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:36:58,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:36:58,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:36:58,154 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:36:58,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,164 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:36:58,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:36:58,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:36:58,188 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-12 23:36:58,191 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:36:58,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:36:58,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:36:58,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:36:58,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:36:58,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:36:58,207 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-12 23:36:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:36:58,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-12 23:36:58,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:36:58,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:36:58,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,233 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-12 23:36:58,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-12 23:36:58,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-12 23:36:58,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:36:58,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,339 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:36:58,343 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:36:58,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:36:58,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:36:58,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:36:58,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 23:36:58,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:36:58,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:36:58,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:36:58,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:36:58,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:36:58,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:36:58,376 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,384 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:36:58,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:36:58,386 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,386 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:280, output treesize:90 [2021-11-12 23:36:58,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,451 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:36:58,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,458 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:36:58,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:36:58,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:36:58,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:36:58,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:36:58,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:36:58,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:36:58,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:36:58,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:36:58,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,475 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:36:58,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,506 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:36:58,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,618 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-12 23:36:58,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:36:58,646 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:36:58,667 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:36:58,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,697 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:36:58,700 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:36:58,707 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:36:58,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:36:58,713 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-12 23:36:58,714 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:36:58,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:36:58,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:36:58,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:36:58,734 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:36:58,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:36:58,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:36:58,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:36:58,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:36:58,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,740 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2021-11-12 23:36:58,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:36:58,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,807 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:36:58,810 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:36:58,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:36:58,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:36:58,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:36:58,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:36:58,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:36:58,826 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:36:58,841 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:36:58,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:36:58,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:36:58,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:36:58,843 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,850 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:36:58,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:36:58,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,852 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:36:58,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,910 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:36:58,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,916 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:36:58,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:58,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:36:58,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:36:58,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:36:58,935 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:36:58,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:36:58,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:36:58,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:36:58,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:58,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:36:58,941 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:36:58,941 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:36:58,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,971 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:36:58,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:58,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:58,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:36:59,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:59,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:59,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:59,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:36:59,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:36:59,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:59,047 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:36:59,050 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:36:59,055 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:36:59,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:36:59,061 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:37:00,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:37:00,151 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:37:00,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2021-11-12 23:37:00,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077955854] [2021-11-12 23:37:00,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:37:00,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-12 23:37:00,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:00,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-12 23:37:00,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=657, Invalid=903, Unknown=0, NotChecked=0, Total=1560 [2021-11-12 23:37:00,154 INFO L87 Difference]: Start difference. First operand 241 states and 269 transitions. Second operand has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:01,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:01,040 INFO L93 Difference]: Finished difference Result 764 states and 1014 transitions. [2021-11-12 23:37:01,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-12 23:37:01,040 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 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 199 [2021-11-12 23:37:01,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:01,046 INFO L225 Difference]: With dead ends: 764 [2021-11-12 23:37:01,046 INFO L226 Difference]: Without dead ends: 540 [2021-11-12 23:37:01,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 556 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1212, Invalid=1758, Unknown=0, NotChecked=0, Total=2970 [2021-11-12 23:37:01,049 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 436 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 254.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.53ms SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 343.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:01,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [436 Valid, 90 Invalid, 447 Unknown, 0 Unchecked, 5.53ms Time], IncrementalHoareTripleChecker [294 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 343.39ms Time] [2021-11-12 23:37:01,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-12 23:37:01,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 481. [2021-11-12 23:37:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 480 states have (on average 1.09375) internal successors, (525), 480 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 525 transitions. [2021-11-12 23:37:01,123 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 525 transitions. Word has length 199 [2021-11-12 23:37:01,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:01,124 INFO L470 AbstractCegarLoop]: Abstraction has 481 states and 525 transitions. [2021-11-12 23:37:01,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 525 transitions. [2021-11-12 23:37:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-11-12 23:37:01,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:01,132 INFO L514 BasicCegarLoop]: trace histogram [180, 180, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:01,333 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2021-11-12 23:37:01,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:01,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable396,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:37:01,357 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:01,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:01,357 INFO L85 PathProgramCache]: Analyzing trace with hash -189315333, now seen corresponding path program 6 times [2021-11-12 23:37:01,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:01,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067894307] [2021-11-12 23:37:01,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:01,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:01,379 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:37:01,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122647578] [2021-11-12 23:37:01,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:37:01,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:37:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:01,389 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:37:01,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-12 23:37:01,588 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:37:01,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:37:01,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-12 23:37:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 34452 backedges. 435 proven. 14466 refuted. 0 times theorem prover too weak. 19551 trivial. 0 not checked. [2021-11-12 23:37:03,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34452 backedges. 435 proven. 14466 refuted. 0 times theorem prover too weak. 19551 trivial. 0 not checked. [2021-11-12 23:37:05,236 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:05,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067894307] [2021-11-12 23:37:05,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:37:05,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122647578] [2021-11-12 23:37:05,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122647578] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:37:05,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [922731099] [2021-11-12 23:37:05,239 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:37:05,240 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:37:05,240 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:37:05,240 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:37:05,240 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:37:05,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:37:05,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:37:05,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:37:05,254 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 55=[|v_#valid_36|]} [2021-11-12 23:37:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:37:05,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:37:05,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:37:05,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,349 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:37:05,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:37:05,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:05,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:05,355 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:37:05,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,361 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:37:05,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:37:05,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,372 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-12 23:37:05,375 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-12 23:37:05,378 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:37:05,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:37:05,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:05,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:37:05,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:37:05,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:37:05,396 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-12 23:37:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:05,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-12 23:37:05,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:05,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:05,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,421 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-12 23:37:05,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-12 23:37:05,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,424 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-12 23:37:05,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:37:05,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,530 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:37:05,535 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:37:05,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:37:05,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:37:05,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:05,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 23:37:05,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:37:05,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:05,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:05,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:37:05,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:05,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:05,565 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,572 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:37:05,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:37:05,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,574 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:280, output treesize:90 [2021-11-12 23:37:05,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,654 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:05,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:05,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:05,661 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:37:05,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:37:05,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:37:05,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:05,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:37:05,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:37:05,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:05,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:05,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:37:05,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,681 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:37:05,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,710 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:05,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:05,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,817 INFO L185 QuantifierPusher]: treesize reduction 77, result has 47.6 percent of original size 70 [2021-11-12 23:37:05,827 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-12 23:37:05,836 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-12 23:37:05,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,853 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:37:05,856 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:37:05,864 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:37:05,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:05,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,869 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-12 23:37:05,870 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-12 23:37:05,871 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:37:05,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:37:05,876 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-12 23:37:05,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:37:05,890 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-12 23:37:05,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-12 23:37:05,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:37:05,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:37:05,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,896 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-12 23:37:05,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:37:05,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,898 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-12 23:37:05,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:05,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:37:05,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,968 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:37:05,970 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:37:05,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:05,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:05,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:37:05,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:37:05,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:05,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:05,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:05,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:05,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:37:06,009 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:37:06,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:37:06,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:06,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:06,012 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:06,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,019 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:37:06,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:37:06,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:06,021 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:37:06,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,075 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:06,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:06,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:06,080 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:37:06,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:06,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:06,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:37:06,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:37:06,096 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:37:06,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:37:06,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:06,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:06,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:06,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:37:06,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:06,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:37:06,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,124 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:06,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:06,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:06,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:06,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:37:06,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:06,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:06,197 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:37:06,200 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:37:06,205 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:37:06,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:06,211 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:37:07,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:37:07,629 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:37:07,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 78 [2021-11-12 23:37:07,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122412030] [2021-11-12 23:37:07,629 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:37:07,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2021-11-12 23:37:07,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-11-12 23:37:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2209, Invalid=4763, Unknown=0, NotChecked=0, Total=6972 [2021-11-12 23:37:07,637 INFO L87 Difference]: Start difference. First operand 481 states and 525 transitions. Second operand has 78 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:15,069 INFO L93 Difference]: Finished difference Result 2733 states and 3121 transitions. [2021-11-12 23:37:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2021-11-12 23:37:15,070 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 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 391 [2021-11-12 23:37:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:15,085 INFO L225 Difference]: With dead ends: 2733 [2021-11-12 23:37:15,085 INFO L226 Difference]: Without dead ends: 2446 [2021-11-12 23:37:15,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1436 GetRequests, 1188 SyntacticMatches, 1 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25718 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=18448, Invalid=43304, Unknown=0, NotChecked=0, Total=61752 [2021-11-12 23:37:15,102 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 796 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1246.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.48ms SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1677.37ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:15,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 949 Invalid, 2287 Unknown, 0 Unchecked, 14.48ms Time], IncrementalHoareTripleChecker [869 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 1677.37ms Time] [2021-11-12 23:37:15,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2021-11-12 23:37:15,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 993. [2021-11-12 23:37:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 992 states have (on average 1.061491935483871) internal successors, (1053), 992 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1053 transitions. [2021-11-12 23:37:15,324 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1053 transitions. Word has length 391 [2021-11-12 23:37:15,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:15,327 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1053 transitions. [2021-11-12 23:37:15,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1053 transitions. [2021-11-12 23:37:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2021-11-12 23:37:15,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:15,368 INFO L514 BasicCegarLoop]: trace histogram [420, 420, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:15,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:15,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable483,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:37:15,594 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:15,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:15,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1993076805, now seen corresponding path program 7 times [2021-11-12 23:37:15,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:15,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688314657] [2021-11-12 23:37:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:15,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:15,654 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:37:15,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525591455] [2021-11-12 23:37:15,654 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:37:15,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:37:15,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:15,656 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:37:15,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-12 23:37:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:16,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 4442 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-12 23:37:16,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 188132 backedges. 12507 proven. 465 refuted. 0 times theorem prover too weak. 175160 trivial. 0 not checked. [2021-11-12 23:37:18,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:21,253 INFO L134 CoverageAnalysis]: Checked inductivity of 188132 backedges. 12507 proven. 465 refuted. 0 times theorem prover too weak. 175160 trivial. 0 not checked. [2021-11-12 23:37:21,253 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:21,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688314657] [2021-11-12 23:37:21,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:37:21,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525591455] [2021-11-12 23:37:21,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525591455] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:37:21,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [348689528] [2021-11-12 23:37:21,257 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:37:21,257 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:37:21,257 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:37:21,257 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:37:21,257 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:37:21,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:37:21,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:37:21,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-12 23:37:21,268 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 55=[|v_#valid_37|]} [2021-11-12 23:37:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-12 23:37:21,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:37:21,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:37:21,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,359 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:37:21,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-12 23:37:21,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:21,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:21,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-12 23:37:21,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,372 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-12 23:37:21,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:37:21,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,387 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-12 23:37:21,389 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-12 23:37:21,391 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-12 23:37:21,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:37:21,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:37:21,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:37:21,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:21,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:37:21,408 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-12 23:37:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:21,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-12 23:37:21,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:21,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:21,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,435 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-12 23:37:21,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-12 23:37:21,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,438 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-12 23:37:21,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:37:21,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,579 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:37:21,582 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:37:21,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:37:21,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:37:21,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:21,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 23:37:21,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:37:21,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:21,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:21,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:37:21,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:21,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:21,607 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,614 INFO L180 QuantifierPusher]: treesize reduction 54, result has 59.7 percent of original size [2021-11-12 23:37:21,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:37:21,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,617 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:280, output treesize:90 [2021-11-12 23:37:21,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,664 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:21,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:21,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:21,668 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-12 23:37:21,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:37:21,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:37:21,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:37:21,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:37:21,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-12 23:37:21,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:21,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:37:21,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:37:21,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,689 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-12 23:37:21,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,708 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:21,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:21,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:37:21,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,801 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-12 23:37:21,809 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:37:21,816 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-12 23:37:21,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,833 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-12 23:37:21,834 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-12 23:37:21,840 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-12 23:37:21,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:21,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,844 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-12 23:37:21,844 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-12 23:37:21,845 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-12 23:37:21,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-12 23:37:21,848 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-12 23:37:21,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:37:21,863 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-12 23:37:21,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-12 23:37:21,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:37:21,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:37:21,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,866 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-12 23:37:21,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:37:21,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-12 23:37:21,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:37:21,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,944 INFO L185 QuantifierPusher]: treesize reduction 32, result has 46.7 percent of original size 28 [2021-11-12 23:37:21,951 INFO L185 QuantifierPusher]: treesize reduction 33, result has 76.3 percent of original size 106 [2021-11-12 23:37:21,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:21,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:21,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-12 23:37:21,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:37:21,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:21,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:37:21,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:37:21,986 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:37:21,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:37:21,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:21,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:21,989 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:21,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:21,996 INFO L180 QuantifierPusher]: treesize reduction 54, result has 61.2 percent of original size [2021-11-12 23:37:21,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:37:21,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:21,997 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:292, output treesize:85 [2021-11-12 23:37:21,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,048 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:22,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:22,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:22,053 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-12 23:37:22,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:22,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:37:22,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:37:22,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:37:22,069 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-12 23:37:22,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-12 23:37:22,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:22,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:37:22,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:37:22,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:37:22,076 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:37:22,076 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-12 23:37:22,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,100 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-12 23:37:22,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:22,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:37:22,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:22,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-12 23:37:22,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:37:22,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:22,158 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-12 23:37:22,160 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-12 23:37:22,163 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-12 23:37:22,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:37:22,167 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:37:23,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:37:23,215 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:37:23,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 65 [2021-11-12 23:37:23,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278108157] [2021-11-12 23:37:23,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:37:23,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-12 23:37:23,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:23,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-12 23:37:23,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2305, Invalid=2807, Unknown=0, NotChecked=0, Total=5112 [2021-11-12 23:37:23,219 INFO L87 Difference]: Start difference. First operand 993 states and 1053 transitions. Second operand has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:27,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:27,350 INFO L93 Difference]: Finished difference Result 3068 states and 4086 transitions. [2021-11-12 23:37:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-12 23:37:27,351 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 65 states have internal predecessors, (78), 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 903 [2021-11-12 23:37:27,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:27,368 INFO L225 Difference]: With dead ends: 3068 [2021-11-12 23:37:27,368 INFO L226 Difference]: Without dead ends: 2108 [2021-11-12 23:37:27,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2738 GetRequests, 2636 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2954 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=4444, Invalid=6062, Unknown=0, NotChecked=0, Total=10506 [2021-11-12 23:37:27,372 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 1168 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 617.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.00ms SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 811.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:27,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1168 Valid, 186 Invalid, 1111 Unknown, 0 Unchecked, 5.00ms Time], IncrementalHoareTripleChecker [842 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 811.52ms Time] [2021-11-12 23:37:27,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2021-11-12 23:37:27,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 1985. [2021-11-12 23:37:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1984 states have (on average 1.046875) internal successors, (2077), 1984 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2077 transitions. [2021-11-12 23:37:27,699 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2077 transitions. Word has length 903 [2021-11-12 23:37:27,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:27,700 INFO L470 AbstractCegarLoop]: Abstraction has 1985 states and 2077 transitions. [2021-11-12 23:37:27,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2077 transitions. [2021-11-12 23:37:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1800 [2021-11-12 23:37:27,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:27,732 INFO L514 BasicCegarLoop]: trace histogram [868, 868, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:27,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:27,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable570,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:37:27,935 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 141828027, now seen corresponding path program 8 times [2021-11-12 23:37:27,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:27,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217496695] [2021-11-12 23:37:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:27,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:28,010 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:37:28,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427767981] [2021-11-12 23:37:28,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:37:28,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:37:28,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:28,014 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:37:28,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b85465-1f60-476a-91f5-7b99e31581aa/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process