./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7 --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 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:14:16,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:14:16,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:14:16,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:14:16,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:14:16,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:14:16,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:14:16,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:14:16,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:14:16,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:14:16,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:14:16,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:14:16,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:14:16,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:14:16,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:14:16,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:14:16,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:14:16,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:14:16,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:14:16,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:14:16,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:14:16,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:14:16,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:14:16,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:14:16,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:14:16,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:14:16,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:14:16,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:14:16,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:14:16,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:14:16,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:14:16,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:14:16,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:14:16,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:14:16,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:14:16,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:14:16,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:14:16,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:14:16,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:14:16,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:14:16,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:14:16,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:14:16,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:14:16,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:14:16,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:14:16,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:14:16,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:14:16,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:14:16,304 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:14:16,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:14:16,305 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:14:16,305 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:14:16,305 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:14:16,305 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:14:16,306 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:14:16,306 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:14:16,306 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:14:16,307 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:14:16,307 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:14:16,307 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:14:16,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:14:16,308 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:14:16,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:14:16,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:14:16,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:14:16,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:14:16,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:14:16,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:14:16,310 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:14:16,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:14:16,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:14:16,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:14:16,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:14:16,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:14:16,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:14:16,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:14:16,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:14:16,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:14:16,313 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:14:16,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:14:16,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:14:16,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:14:16,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:14:16,315 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_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 [2021-11-25 18:14:16,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:14:16,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:14:16,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:14:16,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:14:16,787 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:14:16,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2021-11-25 18:14:16,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/data/186a93bcd/494644f9cea2493796cb33396561dd63/FLAGc72e8bddf [2021-11-25 18:14:17,670 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:14:17,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2021-11-25 18:14:17,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/data/186a93bcd/494644f9cea2493796cb33396561dd63/FLAGc72e8bddf [2021-11-25 18:14:17,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/data/186a93bcd/494644f9cea2493796cb33396561dd63 [2021-11-25 18:14:17,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:14:17,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:14:17,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:14:17,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:14:17,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:14:17,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:14:17" (1/1) ... [2021-11-25 18:14:17,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34153bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:17, skipping insertion in model container [2021-11-25 18:14:17,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:14:17" (1/1) ... [2021-11-25 18:14:17,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:14:17,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:14:18,474 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_29f6e26d-ce6f-4053-9972-575b1d1e0030/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2021-11-25 18:14:18,640 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_29f6e26d-ce6f-4053-9972-575b1d1e0030/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2021-11-25 18:14:18,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:14:18,687 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:14:18,732 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_29f6e26d-ce6f-4053-9972-575b1d1e0030/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2021-11-25 18:14:18,829 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_29f6e26d-ce6f-4053-9972-575b1d1e0030/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2021-11-25 18:14:18,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:14:18,886 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:14:18,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18 WrapperNode [2021-11-25 18:14:18,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:14:18,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:14:18,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:14:18,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:14:18,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:18,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,069 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-25 18:14:19,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:14:19,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:14:19,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:14:19,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:14:19,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:14:19,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:14:19,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:14:19,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:14:19,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (1/1) ... [2021-11-25 18:14:19,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:14:19,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:14:19,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:14:19,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:14:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:14:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:14:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:14:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:14:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:14:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:14:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:14:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:14:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:14:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:14:19,647 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:14:19,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:14:21,159 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:14:21,722 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:14:21,722 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-25 18:14:21,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:21 BoogieIcfgContainer [2021-11-25 18:14:21,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:14:21,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:14:21,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:14:21,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:14:21,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:14:17" (1/3) ... [2021-11-25 18:14:21,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764a0735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:14:21, skipping insertion in model container [2021-11-25 18:14:21,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:18" (2/3) ... [2021-11-25 18:14:21,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764a0735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:14:21, skipping insertion in model container [2021-11-25 18:14:21,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:21" (3/3) ... [2021-11-25 18:14:21,737 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-2.i [2021-11-25 18:14:21,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:14:21,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:14:21,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:14:21,859 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 [2021-11-25 18:14:21,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:14:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:14:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 18:14:21,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:14:21,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 18:14:21,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:14:21,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:14:21,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-25 18:14:21,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:14:21,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620113094] [2021-11-25 18:14:21,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:21,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:14:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:14:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:14:22,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:22,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620113094] [2021-11-25 18:14:22,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620113094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:14:22,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:14:22,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:14:22,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037694830] [2021-11-25 18:14:22,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:14:22,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:14:22,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:14:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:14:22,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:14:22,173 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:14:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:14:24,430 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-25 18:14:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:14:24,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-25 18:14:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:14:24,460 INFO L225 Difference]: With dead ends: 469 [2021-11-25 18:14:24,460 INFO L226 Difference]: Without dead ends: 290 [2021-11-25 18:14:24,465 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 [2021-11-25 18:14:24,469 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:14:24,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:14:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-25 18:14:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-25 18:14:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:14:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-25 18:14:24,531 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-25 18:14:24,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:14:24,532 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-25 18:14:24,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:14:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-25 18:14:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 18:14:24,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:14:24,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:14:24,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:14:24,538 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:14:24,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:14:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-25 18:14:24,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:14:24,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186289575] [2021-11-25 18:14:24,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:24,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:14:24,765 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:14:24,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9641859] [2021-11-25 18:14:24,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:24,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:14:24,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:14:24,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:14:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:14:25,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 3095 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:14:25,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:14:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:14:26,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:14:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:14:26,542 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:26,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186289575] [2021-11-25 18:14:26,546 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:14:26,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9641859] [2021-11-25 18:14:26,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9641859] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:14:26,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [220200829] [2021-11-25 18:14:26,597 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-25 18:14:26,598 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:14:26,605 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:14:26,613 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:14:26,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:14:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,819 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:14:26,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:14:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,847 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 [2021-11-25 18:14:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,957 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:14:26,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:14:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:14:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:14:27,014 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 [2021-11-25 18:14:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,052 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 [2021-11-25 18:14:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,078 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 [2021-11-25 18:14:27,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:14:27,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:14:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:27,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:14:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:28,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:14:28,201 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:14:29,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [220200829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:14:29,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:14:29,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:14:29,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850980120] [2021-11-25 18:14:29,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:14:29,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:14:29,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:14:29,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:14:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:14:29,708 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:14:33,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:14:33,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:14:33,178 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-25 18:14:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:14:33,179 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-25 18:14:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:14:33,182 INFO L225 Difference]: With dead ends: 313 [2021-11-25 18:14:33,182 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 18:14:33,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:14:33,185 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:14:33,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:14:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 18:14:33,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-25 18:14:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:14:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-25 18:14:33,224 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-25 18:14:33,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:14:33,225 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-25 18:14:33,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:14:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-25 18:14:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 18:14:33,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:14:33,232 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:14:33,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:14:33,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:33,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:14:33,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:14:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-25 18:14:33,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:14:33,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846335905] [2021-11-25 18:14:33,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:33,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:14:33,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:14:33,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127778051] [2021-11-25 18:14:33,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:33,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:14:33,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:14:33,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:14:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:14:34,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:14:34,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:14:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:14:34,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:14:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:14:35,244 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:35,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846335905] [2021-11-25 18:14:35,244 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:14:35,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127778051] [2021-11-25 18:14:35,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127778051] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:14:35,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [266291295] [2021-11-25 18:14:35,251 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 18:14:35,251 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:14:35,252 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:14:35,252 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:14:35,252 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:14:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,400 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:14:35,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:14:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,417 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 [2021-11-25 18:14:35,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,487 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:14:35,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:14:35,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,513 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 [2021-11-25 18:14:35,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,532 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 [2021-11-25 18:14:35,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:14:35,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,569 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:14:35,570 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 [2021-11-25 18:14:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:35,627 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:14:35,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:14:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:14:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:14:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:14:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 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 [2021-11-25 18:14:36,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:14:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-25 18:14:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 18:14:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,464 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:14:36,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:14:36,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:14:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:36,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:14:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:37,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:14:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:14:37,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:14:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:14:37,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 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 [2021-11-25 18:14:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-25 18:14:37,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:14:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 18:14:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:14:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:37,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:14:37,717 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 113 for LOIs [2021-11-25 18:14:37,806 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:14:40,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [266291295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:14:40,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:14:40,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:14:40,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758246796] [2021-11-25 18:14:40,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:14:40,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:14:40,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:14:40,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:14:40,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:14:40,447 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:14:45,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:14:49,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:14:51,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:14:51,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:14:51,821 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-25 18:14:51,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:14:51,821 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-25 18:14:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:14:51,823 INFO L225 Difference]: With dead ends: 315 [2021-11-25 18:14:51,823 INFO L226 Difference]: Without dead ends: 166 [2021-11-25 18:14:51,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:14:51,825 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:14:51,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 313 Invalid, 1 Unknown, 81 Unchecked, 11.3s Time] [2021-11-25 18:14:51,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-25 18:14:51,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-25 18:14:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 18:14:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-25 18:14:51,845 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-25 18:14:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:14:51,845 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-25 18:14:51,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:14:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-25 18:14:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 18:14:51,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:14:51,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:14:51,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:14:52,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:52,062 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:14:52,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:14:52,063 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-25 18:14:52,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:14:52,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833119037] [2021-11-25 18:14:52,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:52,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:14:52,217 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:14:52,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [844575274] [2021-11-25 18:14:52,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:52,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:52,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:14:52,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:14:52,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f6e26d-ce6f-4053-9972-575b1d1e0030/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:14:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:14:53,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:14:53,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:14:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:14:53,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:14:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:14:53,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:53,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833119037] [2021-11-25 18:14:53,614 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:14:53,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844575274] [2021-11-25 18:14:53,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844575274] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:14:53,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [16214502] [2021-11-25 18:14:53,618 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 18:14:53,618 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:14:53,619 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:14:53,619 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:14:53,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:14:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,770 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:14:53,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:14:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,782 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 [2021-11-25 18:14:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,814 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 [2021-11-25 18:14:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,846 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:14:53,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:14:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,864 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 [2021-11-25 18:14:53,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,922 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:14:53,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:14:53,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:53,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:14:53,938 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 [2021-11-25 18:14:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 18:14:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:14:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-25 18:14:54,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:14:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 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 [2021-11-25 18:14:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:14:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-25 18:14:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-25 18:14:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 18:14:54,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:14:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:14:54,548 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 13 treesize of output 9 [2021-11-25 18:14:54,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:14:54,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:14:54,602 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:14:54,602 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 57 treesize of output 60 [2021-11-25 18:14:54,624 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:14:54,625 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 51 treesize of output 54 [2021-11-25 18:14:54,662 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:14:54,663 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 47 treesize of output 50 [2021-11-25 18:14:54,709 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 [2021-11-25 18:14:54,714 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 [2021-11-25 18:14:54,719 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 [2021-11-25 18:14:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-25 18:14:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:14:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-25 18:14:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:14:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-25 18:14:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-25 18:15:02,022 WARN L227 SmtUtils]: Spent 6.84s 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) [2021-11-25 18:15:02,022 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:15:02,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:15:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:15,107 WARN L227 SmtUtils]: Spent 12.90s 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) [2021-11-25 18:15:15,108 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:15:15,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:15:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:15,657 INFO L244 Elim1Store]: Index analysis took 368 ms [2021-11-25 18:15:27,511 WARN L227 SmtUtils]: Spent 11.56s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:15:27,513 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:15:27,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:15:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,061 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-25 18:15:28,076 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:15:28,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:15:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:28,477 INFO L244 Elim1Store]: Index analysis took 226 ms [2021-11-25 18:15:28,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:15:28,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:28,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:29,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:29,123 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:15:29,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:15:29,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:29,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:29,662 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:15:29,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63