./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:27:16,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:27:16,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:27:16,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:27:16,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:27:16,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:27:16,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:27:16,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:27:16,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:27:16,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:27:16,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:27:16,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:27:16,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:27:16,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:27:16,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:27:16,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:27:16,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:27:16,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:27:16,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:27:16,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:27:16,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:27:16,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:27:16,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:27:16,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:27:16,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:27:16,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:27:16,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:27:16,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:27:16,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:27:16,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:27:16,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:27:16,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:27:16,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:27:16,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:27:16,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:27:16,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:27:16,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:27:16,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:27:16,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:27:16,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:27:16,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:27:16,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:27:17,041 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:27:17,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:27:17,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:27:17,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:27:17,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:27:17,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:27:17,044 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:27:17,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:27:17,044 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:27:17,044 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:27:17,046 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:27:17,046 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:27:17,046 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:27:17,046 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:27:17,046 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:27:17,047 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:27:17,047 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:27:17,047 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:27:17,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:27:17,048 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:27:17,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:27:17,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:27:17,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:27:17,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:27:17,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:27:17,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:27:17,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:27:17,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:27:17,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:27:17,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:27:17,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:27:17,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:27:17,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:17,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:27:17,053 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:27:17,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:27:17,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:27:17,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:27:17,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:27:17,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:27:17,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:27:17,054 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_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2022-11-19 08:27:17,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:27:17,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:27:17,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:27:17,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:27:17,335 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:27:17,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-11-19 08:27:17,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/data/ba016d2fd/f914a11194d046f0935cf7625380fb3b/FLAG6c729caca [2022-11-19 08:27:17,946 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:27:17,946 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-11-19 08:27:17,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/data/ba016d2fd/f914a11194d046f0935cf7625380fb3b/FLAG6c729caca [2022-11-19 08:27:18,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/data/ba016d2fd/f914a11194d046f0935cf7625380fb3b [2022-11-19 08:27:18,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:27:18,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:27:18,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:18,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:27:18,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:27:18,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6516b07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18, skipping insertion in model container [2022-11-19 08:27:18,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:27:18,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:27:18,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-11-19 08:27:18,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:18,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:27:18,768 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-11-19 08:27:18,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:18,793 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:27:18,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18 WrapperNode [2022-11-19 08:27:18,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:18,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:18,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:27:18,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:27:18,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,868 INFO L138 Inliner]: procedures = 122, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2022-11-19 08:27:18,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:18,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:27:18,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:27:18,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:27:18,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:27:18,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:27:18,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:27:18,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:27:18,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (1/1) ... [2022-11-19 08:27:18,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:18,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:27:18,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:27:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:27:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:27:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:27:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:27:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:27:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:27:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:27:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:27:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:27:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:27:19,173 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:27:19,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:27:19,468 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:27:19,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:27:19,582 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:27:19,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:19 BoogieIcfgContainer [2022-11-19 08:27:19,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:27:19,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:27:19,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:27:19,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:27:19,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:27:18" (1/3) ... [2022-11-19 08:27:19,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671b19d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:19, skipping insertion in model container [2022-11-19 08:27:19,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:18" (2/3) ... [2022-11-19 08:27:19,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671b19d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:19, skipping insertion in model container [2022-11-19 08:27:19,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:19" (3/3) ... [2022-11-19 08:27:19,595 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-2.i [2022-11-19 08:27:19,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:27:19,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:27:19,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:27:19,671 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;@433652ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:27:19,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:27:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 08:27:19,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:19,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 08:27:19,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:19,688 INFO L85 PathProgramCache]: Analyzing trace with hash -388178468, now seen corresponding path program 1 times [2022-11-19 08:27:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:19,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476354895] [2022-11-19 08:27:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:19,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:19,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:19,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476354895] [2022-11-19 08:27:19,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476354895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:19,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:19,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563712590] [2022-11-19 08:27:19,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:19,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:20,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:20,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:20,031 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:20,134 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-11-19 08:27:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:20,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 08:27:20,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:20,144 INFO L225 Difference]: With dead ends: 25 [2022-11-19 08:27:20,145 INFO L226 Difference]: Without dead ends: 12 [2022-11-19 08:27:20,148 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 [2022-11-19 08:27:20,151 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:20,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:20,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-19 08:27:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-19 08:27:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-19 08:27:20,184 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-11-19 08:27:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:20,185 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-19 08:27:20,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-11-19 08:27:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:27:20,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:20,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:20,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:27:20,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:20,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash 106014133, now seen corresponding path program 1 times [2022-11-19 08:27:20,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:20,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316918858] [2022-11-19 08:27:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:20,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:20,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:20,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316918858] [2022-11-19 08:27:20,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316918858] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:20,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223670740] [2022-11-19 08:27:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:20,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:20,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:20,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:27:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:20,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:27:20,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:20,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:20,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223670740] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:20,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [234448339] [2022-11-19 08:27:20,720 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-19 08:27:20,721 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:20,724 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:20,730 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:20,730 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:20,854 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:27:20,855 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 [2022-11-19 08:27:20,906 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:27:20,906 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 [2022-11-19 08:27:21,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2022-11-19 08:27:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:21,130 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 23 treesize of output 28 [2022-11-19 08:27:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-11-19 08:27:21,318 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-19 08:27:21,319 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 32 treesize of output 53 [2022-11-19 08:27:21,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:21,987 INFO L217 Elim1Store]: Index analysis took 207 ms [2022-11-19 08:27:21,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:22,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:22,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:22,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:22,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:23,532 INFO L321 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-11-19 08:27:23,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 319 treesize of output 319 [2022-11-19 08:27:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:23,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:23,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:23,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:23,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:23,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,240 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:24,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 331 treesize of output 328 [2022-11-19 08:27:24,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,436 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:27:24,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-11-19 08:27:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 396 treesize of output 383 [2022-11-19 08:27:24,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 396 treesize of output 383 [2022-11-19 08:27:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 561 [2022-11-19 08:27:24,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,702 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:27:24,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-11-19 08:27:24,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2022-11-19 08:27:25,009 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 45 treesize of output 25 [2022-11-19 08:27:25,026 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 21 treesize of output 13 [2022-11-19 08:27:25,083 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 08:27:25,084 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 651 treesize of output 580 [2022-11-19 08:27:25,100 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 562 treesize of output 466 [2022-11-19 08:27:25,121 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 454 treesize of output 434 [2022-11-19 08:27:25,506 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:27:25,507 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 736 treesize of output 741 [2022-11-19 08:27:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,661 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-19 08:27:25,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 741 treesize of output 759 [2022-11-19 08:27:25,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:25,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,069 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:26,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-19 08:27:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,206 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:27:26,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-19 08:27:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:27:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:27:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:26,364 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:26,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:27:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:26,473 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-19 08:27:26,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 121 [2022-11-19 08:27:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2022-11-19 08:27:26,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:26,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:26,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,818 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:26,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-19 08:27:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,948 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:27:26,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-19 08:27:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-19 08:27:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:27,099 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:27,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 56 [2022-11-19 08:27:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-11-19 08:27:27,146 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:27,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:27:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:27,428 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:28,062 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '121#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 08:27:28,062 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:28,062 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:28,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-19 08:27:28,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050308568] [2022-11-19 08:27:28,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:28,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:27:28,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:28,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:27:28,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:27:28,065 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:28,281 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-11-19 08:27:28,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:27:28,281 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 08:27:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:28,282 INFO L225 Difference]: With dead ends: 24 [2022-11-19 08:27:28,282 INFO L226 Difference]: Without dead ends: 17 [2022-11-19 08:27:28,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:27:28,283 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:28,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:27:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-19 08:27:28,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-19 08:27:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-19 08:27:28,287 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-11-19 08:27:28,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:28,288 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-19 08:27:28,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-19 08:27:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 08:27:28,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:28,289 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:28,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:28,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-19 08:27:28,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:28,496 INFO L85 PathProgramCache]: Analyzing trace with hash -485830720, now seen corresponding path program 2 times [2022-11-19 08:27:28,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:28,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824301709] [2022-11-19 08:27:28,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:28,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:29,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:29,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824301709] [2022-11-19 08:27:29,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824301709] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:29,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104386158] [2022-11-19 08:27:29,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:27:29,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:29,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:29,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:29,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:27:31,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-19 08:27:31,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:27:31,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 08:27:31,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:31,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:31,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104386158] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:31,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [677348242] [2022-11-19 08:27:31,340 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-19 08:27:31,340 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:31,341 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:31,341 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:31,341 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:31,386 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:27:31,386 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 [2022-11-19 08:27:31,426 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:27:31,427 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 [2022-11-19 08:27:31,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:31,479 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 23 treesize of output 28 [2022-11-19 08:27:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:31,514 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 23 treesize of output 28 [2022-11-19 08:27:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-19 08:27:31,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-11-19 08:27:31,636 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-19 08:27:31,636 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 32 treesize of output 53 [2022-11-19 08:27:31,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:31,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:31,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 281 [2022-11-19 08:27:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:32,150 INFO L217 Elim1Store]: Index analysis took 204 ms [2022-11-19 08:27:32,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:32,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:32,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,471 INFO L321 Elim1Store]: treesize reduction 72, result has 28.7 percent of original size [2022-11-19 08:27:33,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 307 treesize of output 307 [2022-11-19 08:27:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:33,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:33,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,889 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:33,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 319 treesize of output 316 [2022-11-19 08:27:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:33,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 281 [2022-11-19 08:27:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 281 [2022-11-19 08:27:34,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,262 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-19 08:27:34,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 437 treesize of output 460 [2022-11-19 08:27:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,579 INFO L321 Elim1Store]: treesize reduction 74, result has 34.5 percent of original size [2022-11-19 08:27:34,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 424 treesize of output 453 [2022-11-19 08:27:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 99 treesize of output 49 [2022-11-19 08:27:34,666 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 21 treesize of output 13 [2022-11-19 08:27:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,683 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 29 treesize of output 17 [2022-11-19 08:27:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:34,751 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:27:34,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 459 treesize of output 426 [2022-11-19 08:27:35,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 115 [2022-11-19 08:27:35,017 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 92 treesize of output 68 [2022-11-19 08:27:35,039 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 24 treesize of output 18 [2022-11-19 08:27:35,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,267 INFO L321 Elim1Store]: treesize reduction 136, result has 29.5 percent of original size [2022-11-19 08:27:35,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 645 treesize of output 681 [2022-11-19 08:27:35,326 INFO L321 Elim1Store]: treesize reduction 71, result has 19.3 percent of original size [2022-11-19 08:27:35,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 634 treesize of output 647 [2022-11-19 08:27:35,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 08:27:35,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-19 08:27:35,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-19 08:27:35,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 502 [2022-11-19 08:27:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,113 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:36,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:27:36,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,219 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:27:36,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-19 08:27:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:27:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:27:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:36,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 103 treesize of output 55 [2022-11-19 08:27:36,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:36,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 71 [2022-11-19 08:27:36,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:36,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-11-19 08:27:36,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:36,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,721 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:36,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 200 [2022-11-19 08:27:36,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,863 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:36,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 156 [2022-11-19 08:27:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-19 08:27:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:37,006 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:37,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:27:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:37,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 71 [2022-11-19 08:27:37,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:37,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-11-19 08:27:37,208 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:37,839 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '273#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 08:27:37,840 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:37,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:37,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-11-19 08:27:37,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750767042] [2022-11-19 08:27:37,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:37,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:27:37,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:37,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:27:37,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:27:37,842 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:38,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:38,027 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-19 08:27:38,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:27:38,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-19 08:27:38,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:38,029 INFO L225 Difference]: With dead ends: 26 [2022-11-19 08:27:38,030 INFO L226 Difference]: Without dead ends: 19 [2022-11-19 08:27:38,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:27:38,031 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:38,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:27:38,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-19 08:27:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-19 08:27:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-19 08:27:38,035 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-11-19 08:27:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:38,036 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-19 08:27:38,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-19 08:27:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:27:38,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:38,037 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:38,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 08:27:38,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 08:27:38,238 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:38,238 INFO L85 PathProgramCache]: Analyzing trace with hash 751480473, now seen corresponding path program 3 times [2022-11-19 08:27:38,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:38,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289882621] [2022-11-19 08:27:38,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:27:40,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:40,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289882621] [2022-11-19 08:27:40,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289882621] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:40,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291873873] [2022-11-19 08:27:40,013 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-19 08:27:40,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:40,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:40,015 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:40,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:27:40,259 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-19 08:27:40,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:27:40,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-19 08:27:40,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:40,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:40,304 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:27:40,304 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:27:40,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:27:40,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2022-11-19 08:27:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:27:40,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:40,581 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:40,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 112 [2022-11-19 08:27:40,615 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-19 08:27:40,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 81 [2022-11-19 08:27:40,637 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-19 08:27:40,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 72 [2022-11-19 08:27:40,660 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:40,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 72 [2022-11-19 08:27:40,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:27:40,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291873873] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:40,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1816656688] [2022-11-19 08:27:40,720 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-19 08:27:40,720 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:40,721 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:40,721 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:40,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:40,767 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:27:40,768 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 [2022-11-19 08:27:40,803 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:27:40,804 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 [2022-11-19 08:27:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:40,853 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 23 treesize of output 28 [2022-11-19 08:27:40,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-19 08:27:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-11-19 08:27:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:40,930 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 23 treesize of output 28 [2022-11-19 08:27:40,989 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-19 08:27:40,990 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 22 treesize of output 38 [2022-11-19 08:27:41,045 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-19 08:27:41,045 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 32 treesize of output 53 [2022-11-19 08:27:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,396 INFO L217 Elim1Store]: Index analysis took 210 ms [2022-11-19 08:27:41,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,779 INFO L321 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-11-19 08:27:42,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 319 treesize of output 319 [2022-11-19 08:27:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,992 INFO L217 Elim1Store]: Index analysis took 144 ms [2022-11-19 08:27:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,474 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:43,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 331 treesize of output 328 [2022-11-19 08:27:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:43,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:44,083 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:27:44,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 472 [2022-11-19 08:27:44,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-11-19 08:27:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-11-19 08:27:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:44,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:44,282 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-19 08:27:44,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 507 [2022-11-19 08:27:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:44,363 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:27:44,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-11-19 08:27:44,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 120 [2022-11-19 08:27:44,556 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 120 treesize of output 84 [2022-11-19 08:27:44,574 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 21 treesize of output 17 [2022-11-19 08:27:44,628 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-19 08:27:44,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 53 [2022-11-19 08:27:44,640 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 41 treesize of output 25 [2022-11-19 08:27:44,651 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 21 treesize of output 17 [2022-11-19 08:27:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,243 INFO L321 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-11-19 08:27:45,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1137 treesize of output 1155 [2022-11-19 08:27:45,288 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-19 08:27:45,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1132 treesize of output 1131 [2022-11-19 08:27:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:45,662 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:45,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 200 [2022-11-19 08:27:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:45,856 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:45,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 151 [2022-11-19 08:27:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:27:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:27:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:45,987 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:45,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 56 [2022-11-19 08:27:45,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-11-19 08:27:46,028 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:46,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:27:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:46,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:46,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:46,368 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:46,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 200 [2022-11-19 08:27:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:46,512 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:46,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 156 [2022-11-19 08:27:46,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:27:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:27:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:46,678 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:46,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:27:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:46,727 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-19 08:27:46,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 207 [2022-11-19 08:27:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2022-11-19 08:27:46,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:46,887 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:47,597 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '449#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 08:27:47,597 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:47,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:47,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 14 [2022-11-19 08:27:47,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104117425] [2022-11-19 08:27:47,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:47,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 08:27:47,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:47,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 08:27:47,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-11-19 08:27:47,600 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:48,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:48,362 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-11-19 08:27:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:27:48,362 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-19 08:27:48,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:48,363 INFO L225 Difference]: With dead ends: 32 [2022-11-19 08:27:48,363 INFO L226 Difference]: Without dead ends: 30 [2022-11-19 08:27:48,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=141, Invalid=615, Unknown=0, NotChecked=0, Total=756 [2022-11-19 08:27:48,365 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 100 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:48,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 31 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:27:48,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-19 08:27:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2022-11-19 08:27:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-19 08:27:48,371 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 16 [2022-11-19 08:27:48,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:48,371 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-19 08:27:48,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-19 08:27:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:27:48,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:48,372 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:48,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:48,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:48,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1818760279, now seen corresponding path program 1 times [2022-11-19 08:27:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:48,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569661743] [2022-11-19 08:27:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:27:49,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:49,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569661743] [2022-11-19 08:27:49,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569661743] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:49,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633696074] [2022-11-19 08:27:49,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:49,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:49,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:49,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:27:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:49,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-19 08:27:49,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:49,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:49,666 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:27:49,666 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:27:49,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:27:49,708 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:27:49,708 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2022-11-19 08:27:49,762 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:49,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 31 treesize of output 15 [2022-11-19 08:27:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:27:49,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:49,833 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:49,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 78 [2022-11-19 08:27:49,856 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-19 08:27:49,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 86 [2022-11-19 08:27:49,893 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:27:49,894 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 2 case distinctions, treesize of input 28 treesize of output 34 [2022-11-19 08:27:49,903 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 9 [2022-11-19 08:27:49,915 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:49,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2022-11-19 08:27:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:27:50,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633696074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:50,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [317720010] [2022-11-19 08:27:50,004 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-19 08:27:50,004 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:50,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:50,005 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:50,005 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:50,050 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:27:50,050 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 [2022-11-19 08:27:50,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:27:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:50,106 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 23 treesize of output 28 [2022-11-19 08:27:50,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-19 08:27:50,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-11-19 08:27:50,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:27:50,181 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 23 treesize of output 28 [2022-11-19 08:27:50,240 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-19 08:27:50,241 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 22 treesize of output 38 [2022-11-19 08:27:50,298 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-19 08:27:50,299 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 32 treesize of output 53 [2022-11-19 08:27:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:50,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:50,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:50,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:50,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:51,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:51,851 INFO L321 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-11-19 08:27:51,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 319 treesize of output 319 [2022-11-19 08:27:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,233 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:52,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 331 treesize of output 328 [2022-11-19 08:27:52,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:27:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:52,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:27:52,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,509 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:27:52,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-11-19 08:27:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,595 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-19 08:27:52,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 502 [2022-11-19 08:27:52,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,661 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:27:52,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-11-19 08:27:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:52,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 519 treesize of output 466 [2022-11-19 08:27:52,916 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 446 treesize of output 416 [2022-11-19 08:27:52,955 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 21 treesize of output 13 [2022-11-19 08:27:53,062 INFO L321 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-19 08:27:53,063 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 579 treesize of output 504 [2022-11-19 08:27:53,074 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 504 treesize of output 436 [2022-11-19 08:27:53,094 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 433 treesize of output 413 [2022-11-19 08:27:53,315 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:27:53,316 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 974 treesize of output 973 [2022-11-19 08:27:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,425 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-19 08:27:53,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 979 treesize of output 989 [2022-11-19 08:27:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:53,696 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:53,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:27:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:53,806 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:27:53,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-19 08:27:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:27:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:27:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:53,947 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:27:53,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:27:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:53,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 71 [2022-11-19 08:27:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-11-19 08:27:54,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:54,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:54,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:54,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,262 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:54,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:27:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,381 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:27:54,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-19 08:27:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:27:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:27:54,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:27:54,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 103 treesize of output 55 [2022-11-19 08:27:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:27:54,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:54,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 71 [2022-11-19 08:27:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-11-19 08:27:54,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:54,748 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:55,681 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '664#(and (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0))' at error location [2022-11-19 08:27:55,681 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:55,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:55,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2022-11-19 08:27:55,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577200908] [2022-11-19 08:27:55,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:55,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 08:27:55,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:55,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 08:27:55,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2022-11-19 08:27:55,683 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:56,478 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-11-19 08:27:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:27:56,479 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-19 08:27:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:56,479 INFO L225 Difference]: With dead ends: 30 [2022-11-19 08:27:56,479 INFO L226 Difference]: Without dead ends: 26 [2022-11-19 08:27:56,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2022-11-19 08:27:56,481 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 103 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:56,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 35 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 9 Unchecked, 0.6s Time] [2022-11-19 08:27:56,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-19 08:27:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2022-11-19 08:27:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-19 08:27:56,488 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2022-11-19 08:27:56,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:56,488 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-19 08:27:56,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-19 08:27:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:27:56,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:56,489 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1] [2022-11-19 08:27:56,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 08:27:56,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:56,694 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:56,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:56,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1985459807, now seen corresponding path program 1 times [2022-11-19 08:27:56,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:56,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718545033] [2022-11-19 08:27:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:56,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:27:59,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718545033] [2022-11-19 08:27:59,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718545033] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909731869] [2022-11-19 08:27:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:59,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:27:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:59,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-19 08:27:59,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:59,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:59,951 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:27:59,952 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 21 [2022-11-19 08:28:00,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:28:00,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2022-11-19 08:28:00,112 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-19 08:28:00,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 08:28:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:00,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2022-11-19 08:28:00,159 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:28:00,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:28:00,177 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:28:00,177 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 51 [2022-11-19 08:28:00,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-19 08:28:00,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 54 [2022-11-19 08:28:00,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 64 treesize of output 36 [2022-11-19 08:28:00,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 08:28:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:28:00,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:00,695 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:00,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 106 [2022-11-19 08:28:00,710 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:00,711 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2022-11-19 08:28:00,752 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:28:00,752 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 110 [2022-11-19 08:28:00,775 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:00,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2022-11-19 08:28:00,874 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 9 [2022-11-19 08:28:00,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 398 treesize of output 350 [2022-11-19 08:28:01,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2022-11-19 08:28:01,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2022-11-19 08:28:01,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-11-19 08:28:01,139 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:01,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 542 treesize of output 458 [2022-11-19 08:28:01,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:01,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:28:01,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:28:02,393 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,393 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 112 [2022-11-19 08:28:02,439 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-19 08:28:02,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 92 [2022-11-19 08:28:02,469 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-19 08:28:02,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 88 [2022-11-19 08:28:02,540 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:28:02,540 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 2 case distinctions, treesize of input 36 treesize of output 40 [2022-11-19 08:28:02,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-19 08:28:02,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 220 [2022-11-19 08:28:02,613 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 244 treesize of output 274 [2022-11-19 08:28:02,637 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 189 [2022-11-19 08:28:02,659 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 193 [2022-11-19 08:28:02,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 180 [2022-11-19 08:28:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:28:14,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909731869] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:28:14,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1269658473] [2022-11-19 08:28:14,435 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-19 08:28:14,435 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:28:14,436 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:28:14,436 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:28:14,436 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:28:14,486 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:28:14,487 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 [2022-11-19 08:28:14,531 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:28:14,531 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 [2022-11-19 08:28:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-19 08:28:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-11-19 08:28:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-11-19 08:28:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-11-19 08:28:14,704 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-19 08:28:14,705 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 22 treesize of output 38 [2022-11-19 08:28:14,761 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-19 08:28:14,762 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 32 treesize of output 53 [2022-11-19 08:28:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:14,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:28:15,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:28:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:28:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:15,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:15,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:15,753 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:28:15,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-11-19 08:28:15,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 347 [2022-11-19 08:28:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:15,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-11-19 08:28:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-11-19 08:28:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,292 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-19 08:28:16,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 502 [2022-11-19 08:28:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,448 INFO L321 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2022-11-19 08:28:16,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 463 treesize of output 463 [2022-11-19 08:28:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,522 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:28:16,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 475 treesize of output 472 [2022-11-19 08:28:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 519 treesize of output 474 [2022-11-19 08:28:16,578 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 454 treesize of output 434 [2022-11-19 08:28:16,616 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 21 treesize of output 13 [2022-11-19 08:28:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,849 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:28:16,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 484 treesize of output 451 [2022-11-19 08:28:16,909 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 08:28:16,909 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 561 treesize of output 500 [2022-11-19 08:28:16,922 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 482 treesize of output 406 [2022-11-19 08:28:16,938 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 433 treesize of output 413 [2022-11-19 08:28:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,166 INFO L321 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-11-19 08:28:17,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 967 treesize of output 985 [2022-11-19 08:28:17,206 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-19 08:28:17,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 962 treesize of output 961 [2022-11-19 08:28:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:17,453 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:17,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:28:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:17,551 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:28:17,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-19 08:28:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-19 08:28:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:28:17,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 103 treesize of output 55 [2022-11-19 08:28:17,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:28:17,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 71 [2022-11-19 08:28:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2022-11-19 08:28:17,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:17,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:17,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:17,962 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:17,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:28:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:18,057 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:28:18,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-19 08:28:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:28:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:28:18,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:28:18,185 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:28:18,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:28:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:28:18,244 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-19 08:28:18,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 207 [2022-11-19 08:28:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2022-11-19 08:28:18,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:18,482 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:28:18,836 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '898#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-11-19 08:28:18,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:28:18,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:28:18,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 26 [2022-11-19 08:28:18,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796467901] [2022-11-19 08:28:18,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:28:18,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-19 08:28:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:18,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-19 08:28:18,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=828, Unknown=1, NotChecked=0, Total=930 [2022-11-19 08:28:18,839 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:20,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:20,074 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-19 08:28:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:28:20,075 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 08:28:20,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:20,075 INFO L225 Difference]: With dead ends: 31 [2022-11-19 08:28:20,076 INFO L226 Difference]: Without dead ends: 29 [2022-11-19 08:28:20,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=175, Invalid=1230, Unknown=1, NotChecked=0, Total=1406 [2022-11-19 08:28:20,077 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:20,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 60 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 53 Unchecked, 1.0s Time] [2022-11-19 08:28:20,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-19 08:28:20,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2022-11-19 08:28:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-19 08:28:20,085 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 19 [2022-11-19 08:28:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:20,086 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-19 08:28:20,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-19 08:28:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:28:20,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:20,087 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:20,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-19 08:28:20,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:20,293 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:28:20,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:20,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1417413969, now seen corresponding path program 1 times [2022-11-19 08:28:20,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:20,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960430288] [2022-11-19 08:28:20,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:20,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:28:22,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:22,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960430288] [2022-11-19 08:28:22,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960430288] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:28:22,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377924635] [2022-11-19 08:28:22,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:22,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:22,330 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:22,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:28:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:22,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 94 conjunts are in the unsatisfiable core [2022-11-19 08:28:22,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:22,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:22,712 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:28:22,712 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 21 [2022-11-19 08:28:22,758 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:28:22,767 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:28:22,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 40 [2022-11-19 08:28:22,824 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-19 08:28:22,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-11-19 08:28:22,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 08:28:22,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-19 08:28:22,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:22,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 41 [2022-11-19 08:28:22,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 40 treesize of output 42 [2022-11-19 08:28:22,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-19 08:28:23,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2022-11-19 08:28:23,149 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:28:23,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 30 [2022-11-19 08:28:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:28:23,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:23,266 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:23,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 102 [2022-11-19 08:28:23,282 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:23,283 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2022-11-19 08:28:23,316 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:23,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 87 [2022-11-19 08:28:23,360 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:28:23,360 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 2 case distinctions, treesize of input 10 treesize of output 18 [2022-11-19 08:28:23,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 75 [2022-11-19 08:28:23,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-19 08:28:23,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2022-11-19 08:28:23,422 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 158 treesize of output 146 [2022-11-19 08:28:23,487 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:23,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2022-11-19 08:28:31,634 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:31,697 INFO L321 Elim1Store]: treesize reduction 22, result has 60.0 percent of original size [2022-11-19 08:28:31,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 81 [2022-11-19 08:28:31,737 INFO L321 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2022-11-19 08:28:31,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2022-11-19 08:28:32,042 INFO L321 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2022-11-19 08:28:32,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 104 [2022-11-19 08:28:32,056 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:32,057 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 80 [2022-11-19 08:28:32,076 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:32,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 68 [2022-11-19 08:28:32,104 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:28:32,105 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 2 case distinctions, treesize of input 10 treesize of output 18 [2022-11-19 08:28:32,246 INFO L321 Elim1Store]: treesize reduction 61, result has 68.9 percent of original size [2022-11-19 08:28:32,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 902 treesize of output 978 [2022-11-19 08:28:32,299 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:32,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1095 treesize of output 1001 [2022-11-19 08:28:32,377 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:32,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 952 treesize of output 948 [2022-11-19 08:28:32,429 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:32,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 928 treesize of output 920 [2022-11-19 08:28:34,258 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 9 [2022-11-19 08:28:34,285 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 9 [2022-11-19 08:28:37,747 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:37,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2022-11-19 08:28:37,988 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:37,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 300 treesize of output 296 [2022-11-19 08:28:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 7 refuted. 1 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:28:38,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377924635] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:28:38,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1058374249] [2022-11-19 08:28:38,886 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-19 08:28:38,886 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:28:38,886 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:28:38,887 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:28:38,887 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:28:38,929 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:28:38,929 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 [2022-11-19 08:28:38,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:28:38,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:38,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:38,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:38,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2022-11-19 08:28:38,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:38,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-11-19 08:28:39,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-11-19 08:28:39,085 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-19 08:28:39,085 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 22 treesize of output 38 [2022-11-19 08:28:39,147 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-19 08:28:39,148 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 32 treesize of output 53 [2022-11-19 08:28:39,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 293 [2022-11-19 08:28:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:28:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 293 [2022-11-19 08:28:39,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:39,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:39,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:39,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:40,198 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:28:40,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 467 [2022-11-19 08:28:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,340 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-19 08:28:40,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:40,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:40,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:40,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:40,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,086 INFO L321 Elim1Store]: treesize reduction 94, result has 35.2 percent of original size [2022-11-19 08:28:41,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 373 treesize of output 373 [2022-11-19 08:28:41,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,510 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:41,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 385 treesize of output 382 [2022-11-19 08:28:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 347 [2022-11-19 08:28:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-11-19 08:28:41,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 347 [2022-11-19 08:28:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,819 INFO L321 Elim1Store]: treesize reduction 90, result has 37.9 percent of original size [2022-11-19 08:28:41,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 478 treesize of output 502 [2022-11-19 08:28:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,922 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-19 08:28:41,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 505 treesize of output 472 [2022-11-19 08:28:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 519 treesize of output 474 [2022-11-19 08:28:42,148 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 454 treesize of output 434 [2022-11-19 08:28:42,184 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 21 treesize of output 13 [2022-11-19 08:28:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 498 treesize of output 453 [2022-11-19 08:28:42,224 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 21 treesize of output 13 [2022-11-19 08:28:42,234 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 433 treesize of output 413 [2022-11-19 08:28:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,429 INFO L321 Elim1Store]: treesize reduction 162, result has 23.2 percent of original size [2022-11-19 08:28:42,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1105 treesize of output 1123 [2022-11-19 08:28:42,479 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-19 08:28:42,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1100 treesize of output 1099 [2022-11-19 08:28:42,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:42,753 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:42,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:28:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:42,864 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:28:42,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-19 08:28:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:28:42,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:28:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:28:42,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 103 treesize of output 55 [2022-11-19 08:28:43,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:28:43,052 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-19 08:28:43,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 83 [2022-11-19 08:28:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 45 [2022-11-19 08:28:43,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:43,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:43,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:43,314 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:43,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 209 [2022-11-19 08:28:43,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:43,428 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:28:43,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-19 08:28:43,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-19 08:28:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-19 08:28:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2022-11-19 08:28:43,600 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 08:28:43,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-19 08:28:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-19 08:28:43,649 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-19 08:28:43,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 207 [2022-11-19 08:28:43,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 145 [2022-11-19 08:28:43,903 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:28:44,479 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1140#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (or (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (not (= |ULTIMATE.start_main_~head~1#1.offset| 0))) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0))' at error location [2022-11-19 08:28:44,479 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:28:44,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:28:44,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 28 [2022-11-19 08:28:44,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388216675] [2022-11-19 08:28:44,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:28:44,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-19 08:28:44,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:44,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-19 08:28:44,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1008, Unknown=1, NotChecked=0, Total=1122 [2022-11-19 08:28:44,482 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:46,536 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-19 08:28:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:28:46,537 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 08:28:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:46,537 INFO L225 Difference]: With dead ends: 29 [2022-11-19 08:28:46,537 INFO L226 Difference]: Without dead ends: 25 [2022-11-19 08:28:46,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=250, Invalid=1555, Unknown=1, NotChecked=0, Total=1806 [2022-11-19 08:28:46,539 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 27 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:46,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 96 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 45 Unchecked, 1.5s Time] [2022-11-19 08:28:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-19 08:28:46,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-19 08:28:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-19 08:28:46,545 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 20 [2022-11-19 08:28:46,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:46,546 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-19 08:28:46,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-19 08:28:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:28:46,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:46,550 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 1, 1, 1, 1] [2022-11-19 08:28:46,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:28:46,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 08:28:46,755 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:28:46,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:46,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1456254759, now seen corresponding path program 2 times [2022-11-19 08:28:46,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:46,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6399006] [2022-11-19 08:28:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:46,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:28:50,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:50,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6399006] [2022-11-19 08:28:50,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6399006] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:28:50,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224358348] [2022-11-19 08:28:50,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:28:50,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:50,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:50,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db4931-7328-4d1a-88d7-287acb7d3080/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:28:55,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-19 08:28:55,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:28:55,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 133 conjunts are in the unsatisfiable core [2022-11-19 08:28:55,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:55,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:55,829 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:28:55,829 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 21 [2022-11-19 08:28:55,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:28:55,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2022-11-19 08:28:55,978 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:28:55,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 08:28:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:56,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2022-11-19 08:28:56,111 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:28:56,118 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:28:56,134 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:28:56,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 64 [2022-11-19 08:28:56,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-19 08:28:56,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 54 [2022-11-19 08:28:56,277 INFO L321 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2022-11-19 08:28:56,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2022-11-19 08:28:56,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-11-19 08:28:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:56,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2022-11-19 08:28:56,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-19 08:28:56,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2022-11-19 08:28:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:56,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 68 [2022-11-19 08:28:56,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 67 treesize of output 63 [2022-11-19 08:28:56,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 29 [2022-11-19 08:28:56,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:56,842 INFO L321 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-11-19 08:28:56,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 139 treesize of output 71 [2022-11-19 08:28:56,859 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-19 08:28:56,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 21 [2022-11-19 08:28:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:28:56,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:57,283 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:57,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 116 [2022-11-19 08:28:57,303 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:57,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 106 [2022-11-19 08:28:57,427 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 9 [2022-11-19 08:28:57,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 08:28:57,523 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse16 (= 0 |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (.cse15 (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| 0)) (.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (or (let ((.cse6 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (and (forall ((v_arrayElimArr_113 (Array Int Int))) (or (not (= (select v_arrayElimArr_113 .cse0) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (forall ((v_arrayElimArr_114 (Array Int Int))) (or (not (= (select v_arrayElimArr_114 .cse1) 0)) (forall ((v_ArrVal_2858 (Array Int Int)) (v_ArrVal_2846 (Array Int Int)) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2851 Int) (v_ArrVal_2856 Int) (v_ArrVal_2859 (Array Int Int))) (= (let ((.cse5 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_114) |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2859) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse6 v_ArrVal_2856))) (.cse2 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_113) |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2846) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse6 v_ArrVal_2851)))) (let ((.cse3 (select (select .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (.cse4 (+ (select (select .cse5 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2858) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2844) (select (select .cse2 .cse3) .cse4)) (select (select .cse5 .cse3) .cse4)))) 0)) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_114 .cse0))))))) (forall ((v_arrayElimArr_113 (Array Int Int))) (or (not (= (select v_arrayElimArr_113 .cse0) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (forall ((v_arrayElimArr_114 (Array Int Int))) (or (forall ((v_ArrVal_2858 (Array Int Int)) (v_ArrVal_2846 (Array Int Int)) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2851 Int) (v_ArrVal_2856 Int) (v_ArrVal_2859 (Array Int Int))) (= (let ((.cse10 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_114) |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2859) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse6 v_ArrVal_2856))) (.cse7 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_113) |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2846) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse6 v_ArrVal_2851)))) (let ((.cse8 (select (select .cse7 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (.cse9 (+ (select (select .cse10 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2858) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2844) (select (select .cse7 .cse8) .cse9)) (+ 8 (select (select .cse10 .cse8) .cse9))))) 0)) (not (= (select v_arrayElimArr_114 .cse1) 0)) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_114 .cse0))))))) (forall ((v_arrayElimArr_113 (Array Int Int))) (or (not (= (select v_arrayElimArr_113 .cse0) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (forall ((v_arrayElimArr_114 (Array Int Int))) (or (forall ((v_ArrVal_2858 (Array Int Int)) (v_ArrVal_2846 (Array Int Int)) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2851 Int) (v_ArrVal_2856 Int) (v_ArrVal_2859 (Array Int Int))) (= (let ((.cse14 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_114) |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2859) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse6 v_ArrVal_2856))) (.cse11 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_113) |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2846) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse6 v_ArrVal_2851)))) (let ((.cse12 (select (select .cse11 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (.cse13 (+ (select (select .cse14 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2858) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2844) (select (select .cse11 .cse12) .cse13)) (+ 16 (select (select .cse14 .cse12) .cse13))))) 0)) (not (= (select v_arrayElimArr_114 .cse1) 0)) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_114 .cse0))))))))) (and .cse15 .cse16)) (or (not .cse16) (not .cse15) (and (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2858 (Array Int Int)) (v_ArrVal_2849 (Array Int Int))) (= (let ((.cse17 (select v_ArrVal_2849 .cse0)) (.cse18 (+ (select v_ArrVal_2847 .cse0) 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2858) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2849) .cse17) .cse18)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2847) .cse17) .cse18) 8))) 0)) (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2858 (Array Int Int)) (v_ArrVal_2849 (Array Int Int))) (= (let ((.cse19 (select v_ArrVal_2849 .cse0)) (.cse20 (+ (select v_ArrVal_2847 .cse0) 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2858) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2849) .cse19) .cse20)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2847) .cse19) .cse20) 16))) 0)) (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2858 (Array Int Int)) (v_ArrVal_2849 (Array Int Int))) (= (let ((.cse21 (select v_ArrVal_2849 .cse0)) (.cse22 (+ (select v_ArrVal_2847 .cse0) 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2858) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2849) .cse21) .cse22)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_2847) .cse21) .cse22))) 0)))))) is different from false [2022-11-19 08:29:01,077 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:01,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 106 [2022-11-19 08:29:01,094 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:01,094 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2022-11-19 08:29:01,132 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-19 08:29:01,132 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 110 [2022-11-19 08:29:01,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:01,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2022-11-19 08:29:01,511 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 9 [2022-11-19 08:30:46,277 WARN L233 SmtUtils]: Spent 1.75m on a formula simplification. DAG size of input: 522 DAG size of output: 346 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:30:46,279 INFO L321 Elim1Store]: treesize reduction 777, result has 57.1 percent of original size [2022-11-19 08:30:46,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 16 new quantified variables, introduced 92 case distinctions, treesize of input 8445 treesize of output 9227 [2022-11-19 08:30:46,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:46,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8318 treesize of output 8198 [2022-11-19 08:30:47,487 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:47,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9511 treesize of output 9345 [2022-11-19 08:30:48,230 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:48,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9106 treesize of output 8932 [2022-11-19 08:30:48,835 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:48,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8930 treesize of output 8784 [2022-11-19 08:30:49,615 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:49,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11019 treesize of output 10727 [2022-11-19 08:30:50,467 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:50,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12949 treesize of output 12607 [2022-11-19 08:30:51,249 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:51,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12356 treesize of output 12320 [2022-11-19 08:30:52,239 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:52,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12340 treesize of output 12304 [2022-11-19 08:30:53,615 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:30:53,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12324 treesize of output 12288