./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS --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 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:38:25,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:38:25,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:38:25,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:38:25,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:38:25,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:38:25,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:38:25,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:38:25,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:38:25,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:38:25,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:38:25,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:38:25,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:38:25,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:38:25,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:38:25,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:38:25,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:38:25,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:38:25,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:38:25,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:38:25,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:38:25,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:38:25,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:38:25,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:38:25,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:38:25,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:38:25,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:38:25,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:38:25,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:38:25,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:38:25,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:38:25,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:38:25,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:38:25,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:38:25,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:38:25,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:38:25,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:38:25,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:38:25,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:38:25,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:38:25,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:38:25,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:38:25,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:38:25,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:38:25,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:38:25,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:38:25,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:38:25,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:38:25,898 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:38:25,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:38:25,899 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:38:25,899 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:38:25,900 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:38:25,900 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:38:25,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:38:25,901 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:38:25,901 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:38:25,901 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:38:25,902 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:38:25,902 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:38:25,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:38:25,903 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:38:25,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:38:25,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:38:25,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:38:25,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:38:25,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:38:25,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:38:25,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:38:25,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:38:25,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:38:25,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:38:25,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:38:25,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:38:25,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:38:25,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:38:25,908 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:38:25,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:38:25,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:38:25,909 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:38:25,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:38:25,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:38:25,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:38:25,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2022-11-19 07:38:26,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:38:26,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:38:26,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:38:26,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:38:26,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:38:26,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-11-19 07:38:26,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/data/66f21d7d9/84eefc1bc3f142029edc12dee5c9b8e1/FLAG5ef6f67bd [2022-11-19 07:38:26,991 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:38:26,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-11-19 07:38:27,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/data/66f21d7d9/84eefc1bc3f142029edc12dee5c9b8e1/FLAG5ef6f67bd [2022-11-19 07:38:27,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/data/66f21d7d9/84eefc1bc3f142029edc12dee5c9b8e1 [2022-11-19 07:38:27,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:38:27,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:38:27,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:38:27,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:38:27,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:38:27,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:27" (1/1) ... [2022-11-19 07:38:27,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29428522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:27, skipping insertion in model container [2022-11-19 07:38:27,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:27" (1/1) ... [2022-11-19 07:38:27,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:38:27,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:38:27,695 WARN L234 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_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-11-19 07:38:27,954 WARN L234 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_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-11-19 07:38:27,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:38:27,980 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:38:28,005 WARN L234 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_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-11-19 07:38:28,189 WARN L234 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_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-11-19 07:38:28,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:38:28,236 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:38:28,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28 WrapperNode [2022-11-19 07:38:28,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:38:28,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:38:28,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:38:28,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:38:28,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,440 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-19 07:38:28,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:38:28,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:38:28,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:38:28,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:38:28,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,583 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:38:28,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:38:28,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:38:28,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:38:28,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (1/1) ... [2022-11-19 07:38:28,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:38:28,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:28,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:38:28,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:38:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:38:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:38:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:38:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:38:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:38:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:38:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:38:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:38:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:38:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:38:28,974 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:38:28,977 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:38:31,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:38:32,250 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:38:32,250 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 07:38:32,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:32 BoogieIcfgContainer [2022-11-19 07:38:32,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:38:32,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:38:32,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:38:32,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:38:32,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:27" (1/3) ... [2022-11-19 07:38:32,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535e5711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:32, skipping insertion in model container [2022-11-19 07:38:32,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:28" (2/3) ... [2022-11-19 07:38:32,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535e5711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:32, skipping insertion in model container [2022-11-19 07:38:32,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:32" (3/3) ... [2022-11-19 07:38:32,274 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2022-11-19 07:38:32,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:38:32,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 07:38:32,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:38:32,466 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f9e13e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:38:32,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 07:38:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:38:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:38:32,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:32,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:32,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:32,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:32,492 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-19 07:38:32,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:32,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544766724] [2022-11-19 07:38:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:32,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:32,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:32,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544766724] [2022-11-19 07:38:32,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544766724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:32,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:32,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:38:32,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973740676] [2022-11-19 07:38:32,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:32,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:38:32,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:38:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:38:32,698 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) 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) [2022-11-19 07:38:33,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:33,634 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-19 07:38:33,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:38:33,643 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 [2022-11-19 07:38:33,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:33,671 INFO L225 Difference]: With dead ends: 2197 [2022-11-19 07:38:33,671 INFO L226 Difference]: Without dead ends: 1097 [2022-11-19 07:38:33,684 INFO L412 NwaCegarLoop]: 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 [2022-11-19 07:38:33,687 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:33,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:38:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-19 07:38:34,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-19 07:38:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:38:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-19 07:38:34,103 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-19 07:38:34,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:34,104 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-19 07:38:34,104 INFO L496 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) [2022-11-19 07:38:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-19 07:38:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:38:34,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:34,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:34,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:38:34,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:34,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-19 07:38:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:34,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218616749] [2022-11-19 07:38:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:34,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:34,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218616749] [2022-11-19 07:38:34,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218616749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:34,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:34,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:34,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898572262] [2022-11-19 07:38:34,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:34,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:38:34,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:34,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:38:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:38:34,664 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 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) [2022-11-19 07:38:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:37,066 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-19 07:38:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:38:37,070 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 [2022-11-19 07:38:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:37,086 INFO L225 Difference]: With dead ends: 3192 [2022-11-19 07:38:37,086 INFO L226 Difference]: Without dead ends: 2148 [2022-11-19 07:38:37,092 INFO L412 NwaCegarLoop]: 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 [2022-11-19 07:38:37,093 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:37,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 07:38:37,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-19 07:38:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-19 07:38:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:38:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-19 07:38:37,523 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-19 07:38:37,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:37,523 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-19 07:38:37,524 INFO L496 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) [2022-11-19 07:38:37,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-19 07:38:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:38:37,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:37,527 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:38:37,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:37,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:37,537 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-19 07:38:37,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:37,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919275410] [2022-11-19 07:38:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:37,711 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:37,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743858597] [2022-11-19 07:38:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:37,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:37,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:37,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:38:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:38,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:38:38,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:38,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:38:38,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:38,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919275410] [2022-11-19 07:38:38,573 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:38,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743858597] [2022-11-19 07:38:38,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743858597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:38,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:38,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:38:38,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198295288] [2022-11-19 07:38:38,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:38,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:38,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:38,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:38,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:38,576 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-19 07:38:39,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:39,988 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-19 07:38:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:40,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2022-11-19 07:38:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:40,014 INFO L225 Difference]: With dead ends: 3230 [2022-11-19 07:38:40,014 INFO L226 Difference]: Without dead ends: 2134 [2022-11-19 07:38:40,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:40,024 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:40,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:38:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-19 07:38:40,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-19 07:38:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-19 07:38:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-19 07:38:40,482 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-19 07:38:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:40,482 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-19 07:38:40,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-19 07:38:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-19 07:38:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 07:38:40,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:40,485 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:40,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:38:40,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:40,699 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:40,699 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-19 07:38:40,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:40,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586782452] [2022-11-19 07:38:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:40,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:40,776 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:40,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727202715] [2022-11-19 07:38:40,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:40,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:40,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:40,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:40,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:38:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:41,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:38:41,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:38:41,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:38:41,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:41,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586782452] [2022-11-19 07:38:41,488 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:41,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727202715] [2022-11-19 07:38:41,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727202715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:41,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:41,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:38:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168875100] [2022-11-19 07:38:41,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:41,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:38:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:41,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:38:41,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:38:41,498 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:38:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:43,884 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-19 07:38:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:38:43,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 07:38:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:43,907 INFO L225 Difference]: With dead ends: 3228 [2022-11-19 07:38:43,907 INFO L226 Difference]: Without dead ends: 1112 [2022-11-19 07:38:43,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:43,917 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:43,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 07:38:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-19 07:38:44,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-19 07:38:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 07:38:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-19 07:38:44,141 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-19 07:38:44,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:44,142 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-19 07:38:44,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:38:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-19 07:38:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 07:38:44,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:44,144 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:44,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:38:44,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:44,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:44,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-19 07:38:44,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:44,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880024262] [2022-11-19 07:38:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:44,436 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:44,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623821228] [2022-11-19 07:38:44,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:44,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:44,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:44,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:44,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:38:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:59,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:38:59,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:38:59,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:38:59,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:59,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880024262] [2022-11-19 07:38:59,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:59,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623821228] [2022-11-19 07:38:59,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623821228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:59,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:59,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:38:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109603925] [2022-11-19 07:38:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:59,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:38:59,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:38:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:38:59,501 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:39:00,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:00,882 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-19 07:39:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:39:00,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-19 07:39:00,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:00,896 INFO L225 Difference]: With dead ends: 2207 [2022-11-19 07:39:00,897 INFO L226 Difference]: Without dead ends: 1114 [2022-11-19 07:39:00,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:39:00,904 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:00,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:39:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-19 07:39:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-19 07:39:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-19 07:39:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-19 07:39:01,145 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-19 07:39:01,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:01,146 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-19 07:39:01,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:39:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-19 07:39:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:39:01,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:01,148 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:01,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:01,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:01,362 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:01,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:01,363 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-19 07:39:01,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:01,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262504696] [2022-11-19 07:39:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:01,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:01,425 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:39:01,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38597363] [2022-11-19 07:39:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:01,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:01,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:01,426 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:01,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b789d9-0a30-4bb6-9c68-ad66fbf1a9a7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:39:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:49,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 07:39:49,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:39:49,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:39:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:39:50,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:50,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262504696] [2022-11-19 07:39:50,019 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:39:50,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38597363] [2022-11-19 07:39:50,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38597363] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:39:50,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1145746254] [2022-11-19 07:39:50,047 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 07:39:50,047 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:39:50,052 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:39:50,058 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:39:50,058 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:39:50,178 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,205 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:39:50,205 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 07:39:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:39:50,240 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 07:39:50,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,302 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:39:50,302 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,352 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:39:50,352 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,375 INFO L350 Elim1Store]: Elim1 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 52 treesize of output 49 [2022-11-19 07:39:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:39:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:39:50,904 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:50,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-19 07:39:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 07:39:51,058 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:39:51,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:39:51,234 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,252 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:39:51,355 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,381 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,450 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:39:51,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 07:39:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,533 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:39:51,534 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,746 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,751 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,756 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:39:51,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:39:51,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:39:51,816 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,821 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,826 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:51,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:39:51,941 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:51,961 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:52,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:39:52,215 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:52,234 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:39:53,171 INFO L217 Elim1Store]: Index analysis took 613 ms [2022-11-19 07:39:57,018 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 07:39:57,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 07:39:59,161 INFO L217 Elim1Store]: Index analysis took 1878 ms [2022-11-19 07:39:59,926 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 07:39:59,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 07:40:06,793 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:40:06,794 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:40:06,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 07:40:07,121 INFO L217 Elim1Store]: Index analysis took 169 ms [2022-11-19 07:40:28,791 WARN L233 SmtUtils]: Spent 21.67s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:40:28,792 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:40:28,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-19 07:40:30,578 INFO L217 Elim1Store]: Index analysis took 1025 ms [2022-11-19 07:40:58,411 WARN L233 SmtUtils]: Spent 27.21s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:40:58,412 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-19 07:40:58,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-19 07:41:00,467 INFO L217 Elim1Store]: Index analysis took 175 ms [2022-11-19 07:41:01,018 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 07:41:01,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 07:41:01,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:41:01,801 INFO L217 Elim1Store]: Index analysis took 363 ms [2022-11-19 07:41:02,526 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:41:02,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 07:41:03,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:03,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-19 07:41:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:03,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 07:41:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:03,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 07:41:03,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:03,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:41:03,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:03,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:41:06,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:06,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:41:06,277 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:06,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:06,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:41:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:07,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:41:07,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 07:41:07,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:07,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 07:41:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:07,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 07:41:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:07,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 07:41:08,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:41:08,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 07:41:20,788 INFO L217 Elim1Store]: Index analysis took 1595 ms [2022-11-19 07:51:01,584 WARN L233 SmtUtils]: Spent 9.68m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:51:01,585 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-19 07:51:01,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-19 07:51:59,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:52:00,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:00,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:00,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:00,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:00,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:06,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:12,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:12,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:12,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:12,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:52:40,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:00,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:00,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:00,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:00,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:06,139 INFO L217 Elim1Store]: Index analysis took 65886 ms [2022-11-19 07:53:06,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-19 07:53:07,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:07,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:07,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:07,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:07,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:09,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:10,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:10,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:10,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:18,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:23,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:23,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:23,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:23,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:25,996 INFO L217 Elim1Store]: Index analysis took 18447 ms [2022-11-19 07:53:26,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-19 07:53:32,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:34,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:38,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:43,039 INFO L173 IndexEqualityManager]: detected equality via solver