./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/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_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/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_f274661a-2e52-4be1-a58d-0d237d837bf0/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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- 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 [2022-11-25 23:36:51,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:36:51,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:36:51,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:36:51,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:36:51,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:36:51,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:36:51,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:36:51,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:36:51,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:36:51,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:36:51,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:36:51,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:36:51,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:36:51,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:36:51,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:36:51,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:36:51,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:36:51,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:36:51,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:36:51,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:36:51,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:36:51,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:36:51,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:36:51,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:36:51,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:36:51,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:36:51,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:36:51,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:36:51,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:36:51,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:36:51,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:36:51,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:36:51,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:36:51,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:36:51,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:36:51,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:36:51,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:36:51,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:36:51,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:36:51,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:36:51,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:36:51,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:36:51,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:36:51,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:36:51,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:36:51,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:36:51,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:36:51,951 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:36:51,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:36:51,952 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:36:51,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:36:51,952 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:36:51,953 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:36:51,953 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:36:51,953 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:36:51,954 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:36:51,954 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:36:51,954 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:36:51,955 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:36:51,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:36:51,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:36:51,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:36:51,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:36:51,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:36:51,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:36:51,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:36:51,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:36:51,958 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:36:51,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:36:51,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:36:51,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:36:51,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:36:51,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:36:51,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:51,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:36:51,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:36:51,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:36:51,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:36:51,962 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:36:51,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:36:51,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:36:51,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:36:51,963 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_f274661a-2e52-4be1-a58d-0d237d837bf0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2022-11-25 23:36:52,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:36:52,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:36:52,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:36:52,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:36:52,354 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:36:52,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2022-11-25 23:36:55,480 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:36:55,764 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:36:55,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2022-11-25 23:36:55,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/data/9c40f140b/23154f57acc7489b974c483e7303b0eb/FLAGbba469076 [2022-11-25 23:36:55,805 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/data/9c40f140b/23154f57acc7489b974c483e7303b0eb [2022-11-25 23:36:55,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:36:55,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:36:55,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:55,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:36:55,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:36:55,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:55" (1/1) ... [2022-11-25 23:36:55,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d447fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:55, skipping insertion in model container [2022-11-25 23:36:55,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:55" (1/1) ... [2022-11-25 23:36:55,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:36:55,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:36:56,423 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_f274661a-2e52-4be1-a58d-0d237d837bf0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2022-11-25 23:36:56,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:56,561 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:36:56,591 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_f274661a-2e52-4be1-a58d-0d237d837bf0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2022-11-25 23:36:56,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:56,684 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:36:56,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56 WrapperNode [2022-11-25 23:36:56,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:56,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:56,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:36:56,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:36:56,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,777 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-25 23:36:56,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:56,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:36:56,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:36:56,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:36:56,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:36:56,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:36:56,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:36:56,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:36:56,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:36:56,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:36:57,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:36:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:36:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:36:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:36:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:36:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:36:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:36:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:36:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:36:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:36:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:36:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:36:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:36:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:36:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:36:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:36:57,259 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:36:57,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:36:58,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:36:59,096 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:36:59,097 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-25 23:36:59,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:59 BoogieIcfgContainer [2022-11-25 23:36:59,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:36:59,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:36:59,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:36:59,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:36:59,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:36:55" (1/3) ... [2022-11-25 23:36:59,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746d4e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:59, skipping insertion in model container [2022-11-25 23:36:59,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56" (2/3) ... [2022-11-25 23:36:59,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746d4e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:59, skipping insertion in model container [2022-11-25 23:36:59,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:59" (3/3) ... [2022-11-25 23:36:59,107 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2022-11-25 23:36:59,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:36:59,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:36:59,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:36:59,183 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;@a2a9014, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:36:59,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:36:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:36:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:36:59,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:59,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:59,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:59,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-25 23:36:59,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:59,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935257577] [2022-11-25 23:36:59,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:59,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:36:59,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:59,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935257577] [2022-11-25 23:36:59,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935257577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:59,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:59,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:36:59,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924227457] [2022-11-25 23:36:59,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:59,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:36:59,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:59,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:36:59,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:36:59,534 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:37:00,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:00,364 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-25 23:37:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:37:00,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:37:00,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:00,378 INFO L225 Difference]: With dead ends: 237 [2022-11-25 23:37:00,379 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 23:37:00,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:00,386 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:00,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:37:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 23:37:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-25 23:37:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:37:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-25 23:37:00,434 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-25 23:37:00,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:00,434 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-25 23:37:00,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:37:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-25 23:37:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 23:37:00,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:00,440 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] [2022-11-25 23:37:00,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:37:00,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:37:00,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-25 23:37:00,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:00,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126430146] [2022-11-25 23:37:00,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:00,614 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:37:00,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1291971248] [2022-11-25 23:37:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:00,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:00,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:37:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:01,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:37:01,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:01,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:01,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:01,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126430146] [2022-11-25 23:37:01,692 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:37:01,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291971248] [2022-11-25 23:37:01,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291971248] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:01,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [806202372] [2022-11-25 23:37:01,720 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-25 23:37:01,721 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:37:01,725 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:37:01,737 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:37:01,739 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:37:01,886 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:37:01,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:37:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:01,908 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 [2022-11-25 23:37:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:01,922 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 [2022-11-25 23:37:01,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:01,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:01,949 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:37:01,949 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 [2022-11-25 23:37:02,004 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:37:02,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:37:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,463 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 [2022-11-25 23:37:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,518 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 [2022-11-25 23:37:02,589 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 [2022-11-25 23:37:02,616 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 [2022-11-25 23:37:03,042 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 [2022-11-25 23:37:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,110 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 [2022-11-25 23:37:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:03,164 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 [2022-11-25 23:37:03,214 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 [2022-11-25 23:37:03,246 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:37:11,248 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:37:18,486 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:37:18,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [806202372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:18,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:37:18,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-25 23:37:18,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624673941] [2022-11-25 23:37:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:18,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:37:18,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:37:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-25 23:37:18,496 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:37:23,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:37:25,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:37:26,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:26,960 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-25 23:37:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:37:26,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-25 23:37:26,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:26,966 INFO L225 Difference]: With dead ends: 171 [2022-11-25 23:37:26,966 INFO L226 Difference]: Without dead ends: 92 [2022-11-25 23:37:26,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-25 23:37:26,968 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:26,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 23:37:26,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-25 23:37:26,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-25 23:37:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:37:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-25 23:37:26,988 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-25 23:37:26,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:26,998 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-25 23:37:27,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:37:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-25 23:37:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 23:37:27,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:27,005 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] [2022-11-25 23:37:27,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:37:27,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:27,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:37:27,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:27,214 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-25 23:37:27,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:27,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772920455] [2022-11-25 23:37:27,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:27,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:27,287 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:37:27,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299188860] [2022-11-25 23:37:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:27,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:27,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:27,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:27,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:37:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:27,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:37:27,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:37:27,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:37:27,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:27,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772920455] [2022-11-25 23:37:27,938 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:37:27,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299188860] [2022-11-25 23:37:27,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299188860] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:27,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1546148967] [2022-11-25 23:37:27,943 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 23:37:27,943 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:37:27,943 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:37:27,944 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:37:27,944 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:37:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:27,981 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 [2022-11-25 23:37:28,021 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:37:28,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:37:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:28,035 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 [2022-11-25 23:37:28,045 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 [2022-11-25 23:37:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,061 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 [2022-11-25 23:37:28,352 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 [2022-11-25 23:37:28,368 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 [2022-11-25 23:37:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,422 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 [2022-11-25 23:37:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,471 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 [2022-11-25 23:37:28,515 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 [2022-11-25 23:37:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,595 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 [2022-11-25 23:37:28,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,651 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 [2022-11-25 23:37:28,684 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 [2022-11-25 23:37:28,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:28,754 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 [2022-11-25 23:37:28,786 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 [2022-11-25 23:37:28,811 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 [2022-11-25 23:37:28,878 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:37:28,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-25 23:37:28,964 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:37:28,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:37:29,885 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 [2022-11-25 23:37:29,903 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 [2022-11-25 23:37:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,953 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 [2022-11-25 23:37:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:29,997 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 [2022-11-25 23:37:30,057 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 [2022-11-25 23:37:30,068 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 [2022-11-25 23:37:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,128 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 9897003 treesize of output 5376293 [2022-11-25 23:37:30,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,188 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 9897003 treesize of output 5376293 [2022-11-25 23:37:30,255 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 [2022-11-25 23:37:30,277 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 [2022-11-25 23:37:30,345 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:37:30,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-25 23:37:30,425 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:37:30,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:37:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:30,478 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 [2022-11-25 23:37:30,610 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-25 23:37:30,715 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:37:45,571 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:37:55,625 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:38:08,418 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:38:21,888 WARN L233 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:38:24,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1546148967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:24,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:38:24,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-25 23:38:24,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984014102] [2022-11-25 23:38:24,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:24,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 23:38:24,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:24,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 23:38:24,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=171, Unknown=11, NotChecked=0, Total=272 [2022-11-25 23:38:24,749 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:38:30,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:32,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:34,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:36,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:38,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:40,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:42,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:44,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:46,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:54,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:38:57,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:57,914 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-25 23:38:57,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:38:57,919 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-25 23:38:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:57,920 INFO L225 Difference]: With dead ends: 175 [2022-11-25 23:38:57,920 INFO L226 Difference]: Without dead ends: 96 [2022-11-25 23:38:57,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 56.8s TimeCoverageRelationStatistics Valid=100, Invalid=195, Unknown=11, NotChecked=0, Total=306 [2022-11-25 23:38:57,922 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:57,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 343 Invalid, 10 Unknown, 0 Unchecked, 30.3s Time] [2022-11-25 23:38:57,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-25 23:38:57,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-25 23:38:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 23:38:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-25 23:38:57,951 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-25 23:38:57,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:57,952 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-25 23:38:57,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:38:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-25 23:38:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 23:38:57,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:57,953 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] [2022-11-25 23:38:57,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 23:38:58,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:38:58,161 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:58,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-25 23:38:58,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:58,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112753048] [2022-11-25 23:38:58,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:58,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:58,227 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:38:58,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806636015] [2022-11-25 23:38:58,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:58,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:38:58,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:38:58,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:38:58,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274661a-2e52-4be1-a58d-0d237d837bf0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:38:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:58,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:38:58,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:38:58,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:38:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:38:58,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:58,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112753048] [2022-11-25 23:38:58,917 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:38:58,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806636015] [2022-11-25 23:38:58,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806636015] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:38:58,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1551166349] [2022-11-25 23:38:58,920 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 23:38:58,920 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:38:58,921 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:38:58,921 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:38:58,921 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:38:58,999 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:38:58,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:38:59,010 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 [2022-11-25 23:38:59,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:38:59,022 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 [2022-11-25 23:38:59,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,040 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 [2022-11-25 23:38:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,055 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 [2022-11-25 23:38:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,358 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 [2022-11-25 23:38:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,400 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 [2022-11-25 23:38:59,434 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 [2022-11-25 23:38:59,450 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 [2022-11-25 23:38:59,479 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 [2022-11-25 23:38:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,537 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 [2022-11-25 23:38:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,589 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 [2022-11-25 23:38:59,616 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 [2022-11-25 23:38:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:38:59,674 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 [2022-11-25 23:38:59,703 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 [2022-11-25 23:38:59,727 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 [2022-11-25 23:38:59,814 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:38:59,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:38:59,832 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 28 treesize of output 36 [2022-11-25 23:38:59,986 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 [2022-11-25 23:38:59,990 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 [2022-11-25 23:38:59,996 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 [2022-11-25 23:39:00,043 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:39:00,043 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 [2022-11-25 23:39:00,077 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 23:39:00,077 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 [2022-11-25 23:39:00,107 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:39:00,107 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 [2022-11-25 23:39:00,146 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 [2022-11-25 23:39:00,153 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 [2022-11-25 23:39:00,159 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 [2022-11-25 23:39:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,237 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 [2022-11-25 23:39:00,263 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 [2022-11-25 23:39:00,281 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 [2022-11-25 23:39:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:00,451 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 [2022-11-25 23:39:00,469 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 [2022-11-25 23:39:00,487 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 [2022-11-25 23:39:02,987 INFO L217 Elim1Store]: Index analysis took 2217 ms [2022-11-25 23:39:05,151 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-25 23:39:05,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-25 23:39:05,986 INFO L217 Elim1Store]: Index analysis took 620 ms [2022-11-25 23:39:08,156 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-25 23:39:08,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-25 23:39:21,348 WARN L233 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:39:21,349 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:39:21,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 23:39:21,568 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-25 23:39:49,886 WARN L233 SmtUtils]: Spent 28.31s 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) [2022-11-25 23:39:49,887 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:39:49,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-25 23:39:50,786 INFO L217 Elim1Store]: Index analysis took 685 ms [2022-11-25 23:40:17,541 WARN L233 SmtUtils]: Spent 26.21s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:40:17,542 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 23:40:17,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-25 23:40:19,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:19,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 23:40:19,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:19,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:19,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:40:19,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 23:43:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:43:28,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 23:43:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:43:29,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 23:47:12,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:12,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 23:47:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:12,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11