./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/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 ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:22:24,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:22:24,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:22:24,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:22:24,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:22:24,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:22:24,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:22:24,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:22:24,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:22:24,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:22:24,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:22:24,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:22:24,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:22:24,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:22:24,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:22:24,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:22:24,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:22:24,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:22:24,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:22:24,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:22:24,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:22:24,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:22:24,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:22:24,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:22:24,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:22:24,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:22:24,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:22:24,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:22:24,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:22:24,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:22:24,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:22:24,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:22:24,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:22:24,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:22:24,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:22:24,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:22:24,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:22:24,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:22:24,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:22:24,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:22:24,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:22:24,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:22:24,604 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:22:24,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:22:24,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:22:24,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:22:24,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:22:24,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:22:24,606 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:22:24,606 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:22:24,607 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:22:24,607 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:22:24,607 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:22:24,607 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:22:24,608 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:22:24,608 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:22:24,608 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:22:24,608 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:22:24,609 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:22:24,609 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:22:24,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:22:24,610 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:22:24,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:22:24,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:22:24,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:22:24,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:22:24,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:22:24,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:22:24,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:22:24,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:22:24,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:22:24,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:22:24,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:22:24,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:22:24,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:24,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:22:24,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:22:24,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:22:24,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:22:24,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:22:24,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:22:24,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:22:24,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:22:24,615 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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 [2021-11-25 20:22:24,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:22:24,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:22:24,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:22:24,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:22:24,921 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:22:24,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2021-11-25 20:22:25,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/data/5627946a4/5ef2f20e776045779c1c9d65726fc28b/FLAG9f72572ac [2021-11-25 20:22:25,596 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:22:25,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2021-11-25 20:22:25,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/data/5627946a4/5ef2f20e776045779c1c9d65726fc28b/FLAG9f72572ac [2021-11-25 20:22:25,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/data/5627946a4/5ef2f20e776045779c1c9d65726fc28b [2021-11-25 20:22:25,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:22:25,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:22:25,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:25,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:22:25,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:22:25,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:25" (1/1) ... [2021-11-25 20:22:25,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ee2a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:25, skipping insertion in model container [2021-11-25 20:22:25,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:25" (1/1) ... [2021-11-25 20:22:25,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:22:25,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:22:26,353 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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i[33021,33034] [2021-11-25 20:22:26,521 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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i[45234,45247] [2021-11-25 20:22:26,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:26,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:22:26,567 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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i[33021,33034] [2021-11-25 20:22:26,628 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_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i[45234,45247] [2021-11-25 20:22:26,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:26,680 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:22:26,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26 WrapperNode [2021-11-25 20:22:26,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:26,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:26,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:22:26,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:22:26,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,835 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 20:22:26,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:26,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:22:26,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:22:26,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:22:26,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:26,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:27,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:22:27,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:22:27,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:22:27,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:22:27,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (1/1) ... [2021-11-25 20:22:27,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:27,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:27,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:22:27,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:22:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:22:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:22:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:22:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:22:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:22:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:22:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 20:22:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 20:22:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:22:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:22:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:22:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:22:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:22:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:22:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:22:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:22:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:22:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:22:27,319 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:22:27,321 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:22:28,462 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:22:28,898 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:22:28,899 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-25 20:22:28,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:28 BoogieIcfgContainer [2021-11-25 20:22:28,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:22:28,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:22:28,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:22:28,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:22:28,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:22:25" (1/3) ... [2021-11-25 20:22:28,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9674f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:28, skipping insertion in model container [2021-11-25 20:22:28,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:26" (2/3) ... [2021-11-25 20:22:28,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9674f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:28, skipping insertion in model container [2021-11-25 20:22:28,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:28" (3/3) ... [2021-11-25 20:22:28,914 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-1.i [2021-11-25 20:22:28,919 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:22:28,919 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:22:28,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:22:28,972 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 20:22:28,972 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:22:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 122 states have (on average 1.7950819672131149) internal successors, (219), 139 states have internal predecessors, (219), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:22:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:22:28,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:28,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:22:29,000 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:22:29,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:29,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1967293167, now seen corresponding path program 1 times [2021-11-25 20:22:29,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:29,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115903794] [2021-11-25 20:22:29,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:29,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:29,176 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 20:22:29,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:29,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115903794] [2021-11-25 20:22:29,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115903794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:29,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:29,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:22:29,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618906682] [2021-11-25 20:22:29,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:29,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:22:29,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:22:29,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:22:29,239 INFO L87 Difference]: Start difference. First operand has 148 states, 122 states have (on average 1.7950819672131149) internal successors, (219), 139 states have internal predecessors, (219), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:22:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:29,596 INFO L93 Difference]: Finished difference Result 295 states and 534 transitions. [2021-11-25 20:22:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:22:29,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 20:22:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:29,612 INFO L225 Difference]: With dead ends: 295 [2021-11-25 20:22:29,612 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 20:22:29,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:22:29,628 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:29,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:22:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 20:22:29,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 20:22:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:22:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 20:22:29,707 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 20:22:29,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:29,708 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 20:22:29,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:22:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 20:22:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:22:29,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:29,710 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] [2021-11-25 20:22:29,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:22:29,711 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:22:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1767054038, now seen corresponding path program 1 times [2021-11-25 20:22:29,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:29,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817667904] [2021-11-25 20:22:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:29,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:29,833 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 20:22:29,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:29,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817667904] [2021-11-25 20:22:29,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817667904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:29,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:29,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:22:29,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708233250] [2021-11-25 20:22:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:29,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:29,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:29,844 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:22:32,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:22:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:32,834 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 20:22:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:22:32,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 20:22:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:32,837 INFO L225 Difference]: With dead ends: 293 [2021-11-25 20:22:32,837 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 20:22:32,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:32,840 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 60 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:32,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 488 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 20:22:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 20:22:32,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 20:22:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:22:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 20:22:32,861 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 20:22:32,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:32,862 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 20:22:32,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:22:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 20:22:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 20:22:32,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:32,864 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] [2021-11-25 20:22:32,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:22:32,865 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:22:32,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash -430271198, now seen corresponding path program 1 times [2021-11-25 20:22:32,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:32,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086910518] [2021-11-25 20:22:32,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:32,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:33,002 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:22:33,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753544863] [2021-11-25 20:22:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:33,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:33,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:33,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:22:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:33,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:22:33,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:33,915 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 20:22:33,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:22:33,916 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:33,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086910518] [2021-11-25 20:22:33,916 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:33,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753544863] [2021-11-25 20:22:33,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753544863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:33,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:33,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:22:33,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923858763] [2021-11-25 20:22:33,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:33,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:22:33,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:33,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:22:33,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:22:33,923 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:22:34,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:34,856 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 20:22:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:22:34,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 20:22:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:34,862 INFO L225 Difference]: With dead ends: 341 [2021-11-25 20:22:34,862 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 20:22:34,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 20:22:34,864 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:34,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 343 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:22:34,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 20:22:34,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 20:22:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 20:22:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 20:22:34,886 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 20:22:34,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:34,886 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 20:22:34,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:22:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 20:22:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 20:22:34,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:34,889 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] [2021-11-25 20:22:34,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:22:35,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:35,102 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:22:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash 308571032, now seen corresponding path program 1 times [2021-11-25 20:22:35,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:35,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335774979] [2021-11-25 20:22:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:35,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:35,186 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:22:35,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1453235703] [2021-11-25 20:22:35,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:35,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:35,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:35,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:35,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:22:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:36,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:22:36,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:22:36,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:22:36,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:36,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335774979] [2021-11-25 20:22:36,189 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:36,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453235703] [2021-11-25 20:22:36,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453235703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:36,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:36,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:22:36,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741414317] [2021-11-25 20:22:36,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:36,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:36,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:36,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:36,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:36,192 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:22:38,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:38,025 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 20:22:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:22:38,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 20:22:38,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:38,036 INFO L225 Difference]: With dead ends: 372 [2021-11-25 20:22:38,037 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 20:22:38,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:38,038 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:38,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 20:22:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 20:22:38,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 20:22:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 20:22:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 20:22:38,066 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 20:22:38,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:38,066 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 20:22:38,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:22:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 20:22:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 20:22:38,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:38,069 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2021-11-25 20:22:38,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:22:38,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:38,280 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:22:38,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:38,280 INFO L85 PathProgramCache]: Analyzing trace with hash -282668078, now seen corresponding path program 1 times [2021-11-25 20:22:38,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:38,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636616708] [2021-11-25 20:22:38,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:38,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:38,329 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:22:38,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555538858] [2021-11-25 20:22:38,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:38,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:38,339 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:38,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8795ccb1-5d18-4f79-ade0-1aa1c20a5d07/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:22:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:39,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:22:39,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:22:39,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:22:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:22:39,885 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:39,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636616708] [2021-11-25 20:22:39,885 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:39,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555538858] [2021-11-25 20:22:39,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555538858] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:22:39,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1076763227] [2021-11-25 20:22:39,903 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 20:22:39,903 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:22:39,908 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:22:39,913 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:22:39,913 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:22:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:22:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:22:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,057 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:22:40,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 20:22:40,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:22:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,104 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:22:40,105 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 20:22:40,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,191 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:22:40,192 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 20:22:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,218 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 20:22:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,253 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:22:40,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-25 20:22:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,280 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 20:22:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,338 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:22:40,338 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 20:22:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,751 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 20:22:40,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,774 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 20:22:40,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 20:22:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,846 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 74 treesize of output 76 [2021-11-25 20:22:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,889 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 20:22:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,911 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 20:22:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:40,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 20:22:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,020 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 20:22:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,055 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 20:22:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,170 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:22:41,170 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 20:22:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,189 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 20:22:41,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:22:41,344 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 20:22:41,349 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 20:22:41,354 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 20:22:41,403 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:22:41,404 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 20:22:41,434 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:22:41,435 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 20:22:41,463 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:22:41,463 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 20:22:41,503 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 20:22:41,508 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 20:22:41,515 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 20:22:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:22:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,614 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 108 treesize of output 42 [2021-11-25 20:22:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2021-11-25 20:22:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:22:41,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,793 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 108 treesize of output 42 [2021-11-25 20:22:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:41,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2021-11-25 20:22:50,232 WARN L227 SmtUtils]: Spent 8.28s 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 20:22:50,233 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:22:50,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 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 20:22:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:00,912 WARN L227 SmtUtils]: Spent 10.55s 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 20:23:00,912 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:23:00,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 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 20:23:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:01,461 INFO L244 Elim1Store]: Index analysis took 344 ms [2021-11-25 20:23:12,133 WARN L227 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:23:12,134 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 20:23:12,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 20:23:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:12,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:12,764 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 20:23:13,706 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:23:13,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 20:23:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:13,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:13,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:13,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:23:14,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:14,544 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 20:23:14,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 50 treesize of output 32 [2021-11-25 20:23:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,034 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:23:15,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 20:23:15,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:23:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-25 20:23:15,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,520 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 20:23:15,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-25 20:23:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,692 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:23:15,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 42 [2021-11-25 20:23:15,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:15,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:16,376 INFO L354 Elim1Store]: treesize reduction 20, result has 53.5 percent of original size [2021-11-25 20:23:16,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 67 [2021-11-25 20:23:16,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:16,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:23:16,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-25 20:23:17,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:17,614 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-25 20:23:18,798 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:23:18,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-25 20:23:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:26,514 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-25 20:23:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:26,755 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-25 20:23:26,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4045 treesize of output 3583 [2021-11-25 20:23:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,139 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-25 20:23:27,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-25 20:23:27,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:27,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:23:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:23:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,417 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-25 20:23:27,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-25 20:23:27,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:27,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:27,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:23:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:23:27,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:27,719 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 20:23:27,808 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:23:27,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2156 treesize of output 1758 [2021-11-25 20:23:27,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:28,234 INFO L244 Elim1Store]: Index analysis took 219 ms [2021-11-25 20:23:28,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:29,845 INFO L354 Elim1Store]: treesize reduction 476, result has 74.2 percent of original size [2021-11-25 20:23:29,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2677 treesize of output 3577 [2021-11-25 20:23:30,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:30,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:23:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,021 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-11-25 20:23:38,181 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 20:23:38,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 273781 treesize of output 274365 [2021-11-25 20:27:42,300 WARN L227 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 1707 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)