./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P --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 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:45:57,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:45:57,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:45:57,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:45:57,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:45:57,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:45:57,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:45:57,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:45:57,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:45:57,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:45:57,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:45:57,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:45:57,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:45:57,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:45:57,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:45:57,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:45:57,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:45:57,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:45:57,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:45:57,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:45:57,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:45:57,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:45:57,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:45:57,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:45:57,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:45:57,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:45:57,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:45:57,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:45:57,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:45:57,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:45:57,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:45:57,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:45:57,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:45:57,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:45:57,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:45:57,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:45:57,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:45:57,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:45:57,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:45:57,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:45:57,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:45:57,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:45:57,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:45:57,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:45:57,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:45:57,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:45:57,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:45:57,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:45:57,819 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:45:57,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:45:57,820 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:45:57,820 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:45:57,821 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:45:57,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:45:57,822 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:45:57,822 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:45:57,822 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:45:57,822 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:45:57,823 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:45:57,823 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:45:57,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:45:57,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:45:57,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:45:57,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:45:57,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:45:57,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:45:57,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:45:57,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:45:57,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:45:57,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:45:57,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:45:57,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:45:57,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:45:57,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:45:57,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:45:57,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:45:57,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:45:57,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:45:57,830 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:45:57,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:45:57,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:45:57,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:45:57,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:45:57,831 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_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2021-11-21 01:45:58,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:45:58,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:45:58,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:45:58,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:45:58,113 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:45:58,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2021-11-21 01:45:58,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/data/de151dbfc/f774cd85e7124a88a0448c8faa62c00d/FLAGb67a8a582 [2021-11-21 01:45:58,818 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:45:58,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2021-11-21 01:45:58,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/data/de151dbfc/f774cd85e7124a88a0448c8faa62c00d/FLAGb67a8a582 [2021-11-21 01:45:59,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/data/de151dbfc/f774cd85e7124a88a0448c8faa62c00d [2021-11-21 01:45:59,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:45:59,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:45:59,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:45:59,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:45:59,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:45:59,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:45:59,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8c70f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59, skipping insertion in model container [2021-11-21 01:45:59,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:45:59,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:45:59,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:45:59,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2021-11-21 01:45:59,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:45:59,782 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:45:59,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2021-11-21 01:45:59,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:45:59,968 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:45:59,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59 WrapperNode [2021-11-21 01:45:59,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:45:59,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:45:59,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:45:59,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:45:59,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,129 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1153 [2021-11-21 01:46:00,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:00,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:46:00,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:46:00,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:46:00,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:46:00,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:46:00,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:46:00,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:46:00,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (1/1) ... [2021-11-21 01:46:00,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:00,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:00,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:46:00,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:46:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:46:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:46:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:46:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:46:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:46:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:46:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:46:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:46:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:46:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:46:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:46:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:46:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:46:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:46:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:46:00,676 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:46:00,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:02,002 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:02,538 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:02,538 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 01:46:02,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:02 BoogieIcfgContainer [2021-11-21 01:46:02,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:02,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:02,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:02,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:02,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:45:59" (1/3) ... [2021-11-21 01:46:02,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc96ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:02, skipping insertion in model container [2021-11-21 01:46:02,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:59" (2/3) ... [2021-11-21 01:46:02,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc96ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:02, skipping insertion in model container [2021-11-21 01:46:02,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:02" (3/3) ... [2021-11-21 01:46:02,555 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-1.i [2021-11-21 01:46:02,562 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:02,562 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:46:02,631 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:02,645 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 [2021-11-21 01:46:02,645 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:46:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:46:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:46:02,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:02,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:02,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:02,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash 932638747, now seen corresponding path program 1 times [2021-11-21 01:46:02,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:02,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550849699] [2021-11-21 01:46:02,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:02,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:02,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:02,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550849699] [2021-11-21 01:46:02,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550849699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:02,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:02,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:02,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394789552] [2021-11-21 01:46:02,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:02,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:46:02,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:02,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:46:02,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:02,970 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:05,288 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2021-11-21 01:46:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:46:05,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:46:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:05,311 INFO L225 Difference]: With dead ends: 347 [2021-11-21 01:46:05,312 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:46:05,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:05,319 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 97 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:05,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 305 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 01:46:05,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:46:05,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:46:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:46:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:46:05,378 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:46:05,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:05,379 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:46:05,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:46:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:46:05,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:05,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:05,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:46:05,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:05,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:05,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1435055736, now seen corresponding path program 1 times [2021-11-21 01:46:05,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:05,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856978641] [2021-11-21 01:46:05,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:05,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:05,417 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:05,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537409523] [2021-11-21 01:46:05,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:05,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:05,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:05,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:05,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:46:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:05,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:05,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:06,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:06,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:06,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856978641] [2021-11-21 01:46:06,316 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537409523] [2021-11-21 01:46:06,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537409523] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1812403130] [2021-11-21 01:46:06,357 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:46:06,357 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:06,362 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:06,394 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:06,394 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,707 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:06,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:06,802 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:06,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:46:06,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:46:06,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:46:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:08,499 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:08,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:46:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:08,620 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:08,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:46:08,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:08,658 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 33 treesize of output 39 [2021-11-21 01:46:09,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:09,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:46:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:10,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:10,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:10,168 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:46:10,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1812403130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:10,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:46:10,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:46:10,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306878153] [2021-11-21 01:46:10,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:10,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:46:10,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:10,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:46:10,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:46:10,792 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:15,431 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:46:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:46:15,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:46:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:15,435 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:46:15,435 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:46:15,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:46:15,438 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:15,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-21 01:46:15,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:46:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:46:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:46:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:46:15,458 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:46:15,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:15,459 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:46:15,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:46:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:46:15,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:15,463 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:15,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:15,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:15,680 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash 886940783, now seen corresponding path program 1 times [2021-11-21 01:46:15,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:15,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130237482] [2021-11-21 01:46:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:15,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:15,731 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:15,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007954413] [2021-11-21 01:46:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:15,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:15,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:15,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:15,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:46:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:16,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:16,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:46:16,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:46:16,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:16,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130237482] [2021-11-21 01:46:16,476 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:16,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007954413] [2021-11-21 01:46:16,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007954413] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:16,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2110552577] [2021-11-21 01:46:16,483 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:46:16,483 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:16,484 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:16,484 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:16,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:16,731 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:16,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:46:16,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:46:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:16,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:16,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:16,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:16,852 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 33 treesize of output 39 [2021-11-21 01:46:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:46:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:46:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:46:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:46:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:46:18,608 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:46:18,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:46:18,652 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:46:18,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:46:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:46:18,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:46:19,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:19,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:19,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:19,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:19,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:19,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:19,747 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:19,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:19,793 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:19,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:46:19,856 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:19,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:46:21,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:46:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:46:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:46:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:46:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:46:21,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:46:21,729 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:46:21,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:46:21,781 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:46:21,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:46:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:46:21,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:22,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:46:22,887 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:46:23,150 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:46:24,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2110552577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:24,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:46:24,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:46:24,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383026101] [2021-11-21 01:46:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:24,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:46:24,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:24,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:46:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:46:24,409 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:46:26,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:26,686 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:46:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:46:26,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:46:26,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:26,688 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:46:26,688 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:46:26,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:46:26,690 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 12 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:26,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 359 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 75 Unchecked, 2.2s Time] [2021-11-21 01:46:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:46:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:46:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:46:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:46:26,708 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:46:26,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:26,709 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:46:26,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:46:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:46:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:46:26,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:26,713 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:26,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:26,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:26,928 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:26,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash -666566505, now seen corresponding path program 1 times [2021-11-21 01:46:26,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:26,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265335771] [2021-11-21 01:46:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:26,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:26,957 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:26,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941039210] [2021-11-21 01:46:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:26,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:26,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:26,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a9d779-afe0-4a57-bb48-4c7ff1e2a3c0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:46:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:27,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:27,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:46:27,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:46:27,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:27,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265335771] [2021-11-21 01:46:27,574 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:27,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941039210] [2021-11-21 01:46:27,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941039210] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:27,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [204300438] [2021-11-21 01:46:27,579 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:46:27,580 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:27,580 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:27,581 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:27,581 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:27,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:27,764 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:27,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:27,864 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:27,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:46:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:27,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:27,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:27,959 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:27,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:46:29,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:46:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:29,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:46:29,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:46:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:46:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:46:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:46:29,824 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:46:29,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:46:29,870 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:46:29,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:46:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:29,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:46:30,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:46:30,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:46:30,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:46:30,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:46:30,542 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:46:30,542 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 98 treesize of output 97 [2021-11-21 01:46:30,561 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:46:30,561 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 94 treesize of output 93 [2021-11-21 01:46:30,576 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:46:30,577 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 90 treesize of output 89 [2021-11-21 01:46:30,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:46:30,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:46:30,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:46:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:46:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:46:30,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:30,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:46:31,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:46:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:46:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:46:40,145 WARN L227 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:46:40,146 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:46:40,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:46:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:51,470 WARN L227 SmtUtils]: Spent 11.28s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:46:51,471 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:46:51,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:47:04,554 WARN L227 SmtUtils]: Spent 12.94s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:04,555 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:47:04,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:47:05,550 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:47:05,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:47:06,509 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:47:06,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:47:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:09,211 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:47:09,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:47:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,426 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:47:10,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44