./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur --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 c78ec383567aee735f8895b5666134248c3b9de1b96295d83b3c1c6979534c2b --- 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-38b53e6 [2022-11-26 00:02:19,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:02:19,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:02:19,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:02:19,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:02:19,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:02:19,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:02:19,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:02:19,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:02:19,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:02:19,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:02:19,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:02:19,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:02:19,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:02:19,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:02:19,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:02:19,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:02:19,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:02:19,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:02:19,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:02:19,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:02:19,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:02:19,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:02:19,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:02:19,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:02:19,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:02:19,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:02:19,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:02:19,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:02:19,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:02:19,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:02:19,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:02:19,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:02:19,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:02:19,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:02:19,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:02:19,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:02:19,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:02:19,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:02:19,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:02:19,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:02:19,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:02:19,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:02:19,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:02:19,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:02:19,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:02:19,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:02:19,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:02:19,949 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:02:19,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:02:19,949 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:02:19,949 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:02:19,951 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:02:19,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:02:19,951 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:02:19,951 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:02:19,951 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:02:19,952 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:02:19,952 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:02:19,952 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:02:19,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:02:19,954 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:02:19,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:02:19,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:02:19,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:02:19,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:02:19,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:02:19,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:02:19,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:02:19,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:02:19,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:02:19,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:02:19,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:02:19,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:02:19,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:02:19,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:02:19,957 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:02:19,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:02:19,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:02:19,958 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:02:19,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:02:19,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:02:19,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:02:19,959 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_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c78ec383567aee735f8895b5666134248c3b9de1b96295d83b3c1c6979534c2b [2022-11-26 00:02:20,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:02:20,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:02:20,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:02:20,280 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:02:20,280 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:02:20,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2022-11-26 00:02:23,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:02:23,799 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:02:23,800 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2022-11-26 00:02:23,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/data/7ba0c96bf/ebacd328c91846f9adb36947c9ed57c9/FLAG3ee6962d0 [2022-11-26 00:02:23,856 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/data/7ba0c96bf/ebacd328c91846f9adb36947c9ed57c9 [2022-11-26 00:02:23,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:02:23,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:02:23,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:02:23,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:02:23,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:02:23,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:23" (1/1) ... [2022-11-26 00:02:23,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453a23de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:23, skipping insertion in model container [2022-11-26 00:02:23,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:23" (1/1) ... [2022-11-26 00:02:23,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:02:23,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:02:24,438 WARN L237 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_24139821-6d1b-4b4c-8df2-cd8fd553873b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] [2022-11-26 00:02:24,580 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:02:24,583 WARN L237 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_24139821-6d1b-4b4c-8df2-cd8fd553873b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] [2022-11-26 00:02:24,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:02:24,618 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:02:24,657 WARN L237 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_24139821-6d1b-4b4c-8df2-cd8fd553873b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] [2022-11-26 00:02:24,747 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:02:24,749 WARN L237 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_24139821-6d1b-4b4c-8df2-cd8fd553873b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] [2022-11-26 00:02:24,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:02:24,821 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:02:24,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24 WrapperNode [2022-11-26 00:02:24,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:02:24,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:02:24,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:02:24,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:02:24,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:24,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,004 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1549 [2022-11-26 00:02:25,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:02:25,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:02:25,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:02:25,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:02:25,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:02:25,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:02:25,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:02:25,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:02:25,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (1/1) ... [2022-11-26 00:02:25,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:02:25,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:25,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:02:25,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:02:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:02:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:02:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:02:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:02:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:02:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:02:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:02:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:02:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:02:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:02:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:02:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:02:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:02:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:02:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:02:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:02:25,676 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:02:25,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:02:27,833 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:02:28,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:02:28,455 INFO L300 CfgBuilder]: Removed 92 assume(true) statements. [2022-11-26 00:02:28,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:28 BoogieIcfgContainer [2022-11-26 00:02:28,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:02:28,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:02:28,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:02:28,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:02:28,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:02:23" (1/3) ... [2022-11-26 00:02:28,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdebeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:28, skipping insertion in model container [2022-11-26 00:02:28,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:24" (2/3) ... [2022-11-26 00:02:28,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdebeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:28, skipping insertion in model container [2022-11-26 00:02:28,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:28" (3/3) ... [2022-11-26 00:02:28,468 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-2.i [2022-11-26 00:02:28,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:02:28,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:02:28,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:02:28,547 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;@44b97ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:02:28,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:02:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:02:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:02:28,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:28,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:02:28,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:28,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:28,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1765117460, now seen corresponding path program 1 times [2022-11-26 00:02:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:28,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333140301] [2022-11-26 00:02:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:28,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:28,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333140301] [2022-11-26 00:02:28,725 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:02:28,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675150032] [2022-11-26 00:02:28,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:28,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:28,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:28,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:02:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:29,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:02:29,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:29,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:02:29,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675150032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:29,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:29,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:02:29,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316396424] [2022-11-26 00:02:29,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:29,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:02:29,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:29,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:02:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:02:29,092 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:29,988 INFO L93 Difference]: Finished difference Result 329 states and 588 transitions. [2022-11-26 00:02:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:02:29,994 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-26 00:02:29,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:30,004 INFO L225 Difference]: With dead ends: 329 [2022-11-26 00:02:30,004 INFO L226 Difference]: Without dead ends: 150 [2022-11-26 00:02:30,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:02:30,011 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:30,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:02:30,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-26 00:02:30,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-26 00:02:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:02:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-26 00:02:30,065 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-26 00:02:30,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:30,065 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-26 00:02:30,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-26 00:02:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:02:30,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:30,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:30,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:02:30,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:30,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:30,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:30,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1566679301, now seen corresponding path program 1 times [2022-11-26 00:02:30,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:30,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629010196] [2022-11-26 00:02:30,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:30,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:30,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:30,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629010196] [2022-11-26 00:02:30,322 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:02:30,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003945465] [2022-11-26 00:02:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:30,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:30,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:30,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:02:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:30,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:02:30,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:30,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:02:30,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003945465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:30,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:30,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:02:30,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6521339] [2022-11-26 00:02:30,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:30,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:02:30,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:30,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:02:30,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:30,712 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-26 00:02:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:31,901 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-26 00:02:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:02:31,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2022-11-26 00:02:31,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:31,907 INFO L225 Difference]: With dead ends: 342 [2022-11-26 00:02:31,907 INFO L226 Difference]: Without dead ends: 290 [2022-11-26 00:02:31,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:31,909 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:31,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:02:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-26 00:02:31,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-26 00:02:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:02:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-26 00:02:31,931 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-26 00:02:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:31,932 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-26 00:02:31,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-26 00:02:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-26 00:02:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-26 00:02:31,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:31,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:31,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:02:32,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:32,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:32,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -867190139, now seen corresponding path program 1 times [2022-11-26 00:02:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:32,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920023358] [2022-11-26 00:02:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:32,397 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:02:32,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704789806] [2022-11-26 00:02:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:32,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:32,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:32,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:32,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:02:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:33,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:02:33,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:33,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:02:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:02:34,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:34,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920023358] [2022-11-26 00:02:34,120 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:02:34,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704789806] [2022-11-26 00:02:34,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704789806] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:02:34,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1911867046] [2022-11-26 00:02:34,146 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-26 00:02:34,146 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:02:34,151 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:02:34,157 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:02:34,157 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:02:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,339 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:02:34,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:02:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,374 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:02:34,375 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 [2022-11-26 00:02:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,429 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 22 treesize of output 7 [2022-11-26 00:02:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,474 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:02:34,475 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 [2022-11-26 00:02:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:02:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:34,517 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 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:02:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:34,550 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 [2022-11-26 00:02:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:02:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:02:35,234 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 [2022-11-26 00:02:35,261 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 [2022-11-26 00:02:35,733 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 [2022-11-26 00:02:35,752 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 [2022-11-26 00:02:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:02:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:35,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:02:35,922 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:02:44,625 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:02:52,730 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:02:52,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1911867046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:52,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:02:52,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:02:52,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558086278] [2022-11-26 00:02:52,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:52,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:02:52,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:02:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:02:52,739 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:02:58,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:03:00,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:03:02,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:03:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:06,716 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2022-11-26 00:03:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:03:06,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-11-26 00:03:06,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:06,718 INFO L225 Difference]: With dead ends: 313 [2022-11-26 00:03:06,718 INFO L226 Difference]: Without dead ends: 164 [2022-11-26 00:03:06,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:03:06,719 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:06,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 402 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 184 Invalid, 3 Unknown, 0 Unchecked, 10.9s Time] [2022-11-26 00:03:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-26 00:03:06,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2022-11-26 00:03:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:03:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-26 00:03:06,752 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-26 00:03:06,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:06,753 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-26 00:03:06,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:03:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-26 00:03:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:03:06,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:06,755 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:06,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:03:06,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:06,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:03:06,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1835922908, now seen corresponding path program 1 times [2022-11-26 00:03:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:06,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169606863] [2022-11-26 00:03:06,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:07,187 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:03:07,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329396371] [2022-11-26 00:03:07,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:07,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:07,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:03:07,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:03:07,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:03:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:08,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:03:08,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:03:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:03:08,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:03:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:03:08,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:08,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169606863] [2022-11-26 00:03:08,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:03:08,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329396371] [2022-11-26 00:03:08,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329396371] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:03:08,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1717775993] [2022-11-26 00:03:08,670 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:03:08,671 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:03:08,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:03:08,673 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:03:08,675 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:03:08,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:08,883 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:03:08,884 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 [2022-11-26 00:03:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:08,896 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 [2022-11-26 00:03:08,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:08,958 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:03:08,959 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 [2022-11-26 00:03:08,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:08,978 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 22 treesize of output 7 [2022-11-26 00:03:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:08,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,026 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:03:09,029 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 [2022-11-26 00:03:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,053 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 [2022-11-26 00:03:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:03:09,065 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 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 00:03:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:03:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:03:09,590 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 [2022-11-26 00:03:09,612 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 [2022-11-26 00:03:09,657 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 [2022-11-26 00:03:09,671 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 [2022-11-26 00:03:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:03:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:03:09,856 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 [2022-11-26 00:03:09,885 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 [2022-11-26 00:03:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,965 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:03:09,966 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 [2022-11-26 00:03:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,057 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:03:10,058 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 [2022-11-26 00:03:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:03:10,862 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 [2022-11-26 00:03:10,886 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 [2022-11-26 00:03:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:03:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:10,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:03:11,055 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 [2022-11-26 00:03:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:03:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:03:11,198 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 [2022-11-26 00:03:11,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:03:11,318 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 [2022-11-26 00:03:11,347 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 [2022-11-26 00:03:11,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,431 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:03:11,431 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 [2022-11-26 00:03:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:11,526 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:03:11,526 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 [2022-11-26 00:03:11,934 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-26 00:03:12,053 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:03:20,202 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:03:28,729 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:03:39,992 WARN L233 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:03:52,963 WARN L233 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:04:05,857 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:04:06,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1717775993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:04:06,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:04:06,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:04:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951776108] [2022-11-26 00:04:06,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:04:06,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:04:06,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:06,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:04:06,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-26 00:04:06,806 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:04:12,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:14,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:16,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:18,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:20,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:22,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:24,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:26,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:29,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:04:32,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:04:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:36,044 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-26 00:04:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:04:36,044 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-11-26 00:04:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:36,046 INFO L225 Difference]: With dead ends: 315 [2022-11-26 00:04:36,046 INFO L226 Difference]: Without dead ends: 166 [2022-11-26 00:04:36,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 57.7s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-26 00:04:36,048 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:36,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 402 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 9 Unknown, 0 Unchecked, 26.2s Time] [2022-11-26 00:04:36,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-26 00:04:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-26 00:04:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-26 00:04:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-26 00:04:36,080 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-26 00:04:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:36,080 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-26 00:04:36,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:04:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-26 00:04:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:04:36,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:36,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:36,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:04:36,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:04:36,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:04:36,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1163140644, now seen corresponding path program 1 times [2022-11-26 00:04:36,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:36,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18336060] [2022-11-26 00:04:36,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:36,471 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:04:36,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [320529820] [2022-11-26 00:04:36,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:36,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:04:36,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:04:36,474 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:04:36,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24139821-6d1b-4b4c-8df2-cd8fd553873b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:04:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:37,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:04:37,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:04:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:04:37,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:04:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:04:38,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18336060] [2022-11-26 00:04:38,061 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:04:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320529820] [2022-11-26 00:04:38,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320529820] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:04:38,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [145184905] [2022-11-26 00:04:38,065 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:04:38,065 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:04:38,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:04:38,066 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:04:38,066 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:04:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,150 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:04:38,151 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 [2022-11-26 00:04:38,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,163 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 [2022-11-26 00:04:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,208 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:04:38,208 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:04:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,259 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:04:38,259 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 [2022-11-26 00:04:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,286 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 22 treesize of output 7 [2022-11-26 00:04:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,304 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 22 treesize of output 7 [2022-11-26 00:04:38,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,355 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:04:38,355 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 [2022-11-26 00:04:38,712 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 [2022-11-26 00:04:38,733 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 [2022-11-26 00:04:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:04:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:04:38,881 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 [2022-11-26 00:04:38,896 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 [2022-11-26 00:04:38,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:04:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:38,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:04:39,084 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 [2022-11-26 00:04:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,164 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:04:39,165 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 [2022-11-26 00:04:39,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,262 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:04:39,263 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 [2022-11-26 00:04:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:04:39,366 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 [2022-11-26 00:04:39,562 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 11 treesize of output 7 [2022-11-26 00:04:39,567 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 13 treesize of output 9 [2022-11-26 00:04:39,574 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 11 treesize of output 7 [2022-11-26 00:04:39,630 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:04:39,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-26 00:04:39,664 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:04:39,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-26 00:04:39,698 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:04:39,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 00:04:39,741 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 [2022-11-26 00:04:39,747 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 [2022-11-26 00:04:39,754 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 [2022-11-26 00:04:39,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:39,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:04:39,892 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 [2022-11-26 00:04:39,912 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 [2022-11-26 00:04:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:04:40,124 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 [2022-11-26 00:04:40,143 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 [2022-11-26 00:04:43,544 INFO L217 Elim1Store]: Index analysis took 3052 ms [2022-11-26 00:04:48,737 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:04:48,737 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:04:48,738 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 10752723 treesize of output 10752742 [2022-11-26 00:04:49,773 INFO L217 Elim1Store]: Index analysis took 848 ms [2022-11-26 00:04:50,743 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:04:50,744 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 10752718 treesize of output 10752722 [2022-11-26 00:08:02,818 WARN L233 SmtUtils]: Spent 3.20m on a formula simplification. DAG size of input: 198 DAG size of output: 106 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:08:02,819 INFO L321 Elim1Store]: treesize reduction 1611, result has 24.6 percent of original size [2022-11-26 00:08:02,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 8576 treesize of output 6519 [2022-11-26 00:08:03,342 INFO L217 Elim1Store]: Index analysis took 203 ms [2022-11-26 00:09:42,904 WARN L233 SmtUtils]: Spent 1.66m 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) [2022-11-26 00:09:42,905 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:09:42,905 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 8524 treesize of output 7357 [2022-11-26 00:09:47,375 INFO L217 Elim1Store]: Index analysis took 3249 ms