./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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-4e7fbc6 [2022-11-23 15:04:22,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:04:22,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:04:22,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:04:22,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:04:22,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:04:22,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:04:22,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:04:22,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:04:22,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:04:22,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:04:22,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:04:22,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:04:22,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:04:22,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:04:22,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:04:22,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:04:22,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:04:22,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:04:22,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:04:22,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:04:22,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:04:22,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:04:22,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:04:22,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:04:22,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:04:22,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:04:22,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:04:22,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:04:22,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:04:22,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:04:22,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:04:22,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:04:22,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:04:22,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:04:22,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:04:22,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:04:22,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:04:22,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:04:22,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:04:22,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:04:22,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-23 15:04:22,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:04:22,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:04:22,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:04:22,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:04:22,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:04:22,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:04:22,976 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:04:22,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:04:22,976 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:04:22,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:04:22,978 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:04:22,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:04:22,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:04:22,978 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:04:22,979 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:04:22,979 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:04:22,979 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:04:22,979 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:04:22,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:04:22,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:04:22,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:04:22,981 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:04:22,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:04:22,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:04:22,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:04:22,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:04:22,982 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:04:22,982 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:04:22,983 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 15:04:22,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:04:22,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:04:22,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:04:22,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:04:22,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:04:22,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:04:22,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:22,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:04:22,985 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:04:22,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:04:22,985 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:04:22,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:04:22,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:04:22,986 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_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2022-11-23 15:04:23,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:04:23,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:04:23,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:04:23,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:04:23,393 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:04:23,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-11-23 15:04:26,630 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:04:26,988 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:04:26,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-11-23 15:04:27,013 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/data/53becc187/1aec889a56c4423ea0037fbc838adbe6/FLAGf4e39bf3e [2022-11-23 15:04:27,052 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/data/53becc187/1aec889a56c4423ea0037fbc838adbe6 [2022-11-23 15:04:27,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:04:27,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:04:27,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:27,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:04:27,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:04:27,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f73a732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27, skipping insertion in model container [2022-11-23 15:04:27,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:04:27,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:04:27,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-11-23 15:04:27,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:27,482 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:04:27,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-11-23 15:04:27,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:27,637 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:04:27,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27 WrapperNode [2022-11-23 15:04:27,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:27,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:27,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:04:27,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:04:27,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,726 INFO L138 Inliner]: procedures = 122, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2022-11-23 15:04:27,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:27,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:04:27,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:04:27,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:04:27,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,788 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:04:27,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:04:27,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:04:27,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:04:27,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2022-11-23 15:04:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:27,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:27,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:04:27,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:04:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:04:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:04:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:04:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:04:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:04:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:04:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:04:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:04:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:04:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:04:28,055 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:04:28,057 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:04:28,551 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:04:28,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:04:28,612 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 15:04:28,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:28 BoogieIcfgContainer [2022-11-23 15:04:28,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:04:28,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:04:28,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:04:28,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:04:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:04:27" (1/3) ... [2022-11-23 15:04:28,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4481b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:28, skipping insertion in model container [2022-11-23 15:04:28,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (2/3) ... [2022-11-23 15:04:28,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4481b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:28, skipping insertion in model container [2022-11-23 15:04:28,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:28" (3/3) ... [2022-11-23 15:04:28,628 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-2.i [2022-11-23 15:04:28,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:04:28,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-23 15:04:28,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:04:28,723 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@5ba92c4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:04:28,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-23 15:04:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 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) [2022-11-23 15:04:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 15:04:28,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:28,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 15:04:28,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:28,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:28,750 INFO L85 PathProgramCache]: Analyzing trace with hash 193712, now seen corresponding path program 1 times [2022-11-23 15:04:28,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:28,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875724032] [2022-11-23 15:04:28,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:29,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:29,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875724032] [2022-11-23 15:04:29,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875724032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:29,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:29,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:04:29,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370626770] [2022-11-23 15:04:29,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:29,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:04:29,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:29,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:04:29,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:04:29,129 INFO L87 Difference]: Start difference. First operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 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 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-23 15:04:29,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:29,217 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2022-11-23 15:04:29,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:04:29,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-23 15:04:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:29,241 INFO L225 Difference]: With dead ends: 95 [2022-11-23 15:04:29,251 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 15:04:29,257 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 [2022-11-23 15:04:29,262 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 24 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:29,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 134 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:29,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 15:04:29,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-11-23 15:04:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 70 states have internal predecessors, (79), 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) [2022-11-23 15:04:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-11-23 15:04:29,307 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 3 [2022-11-23 15:04:29,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:29,308 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-11-23 15:04:29,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-23 15:04:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-11-23 15:04:29,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:04:29,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:29,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:04:29,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:04:29,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:29,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:29,311 INFO L85 PathProgramCache]: Analyzing trace with hash 5850154, now seen corresponding path program 1 times [2022-11-23 15:04:29,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:29,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856468920] [2022-11-23 15:04:29,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:29,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:29,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856468920] [2022-11-23 15:04:29,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856468920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:29,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:29,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:04:29,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335437742] [2022-11-23 15:04:29,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:29,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:04:29,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:04:29,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:04:29,391 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:04:29,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:29,514 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2022-11-23 15:04:29,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:04:29,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-23 15:04:29,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:29,517 INFO L225 Difference]: With dead ends: 93 [2022-11-23 15:04:29,517 INFO L226 Difference]: Without dead ends: 93 [2022-11-23 15:04:29,517 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 [2022-11-23 15:04:29,519 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 69 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:29,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-23 15:04:29,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-11-23 15:04:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 2.0555555555555554) internal successors, (74), 65 states have internal predecessors, (74), 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) [2022-11-23 15:04:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2022-11-23 15:04:29,530 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 4 [2022-11-23 15:04:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:29,530 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2022-11-23 15:04:29,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:04:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-11-23 15:04:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:04:29,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:29,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:04:29,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:04:29,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:29,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:29,533 INFO L85 PathProgramCache]: Analyzing trace with hash 5850155, now seen corresponding path program 1 times [2022-11-23 15:04:29,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:29,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878549948] [2022-11-23 15:04:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:29,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:29,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878549948] [2022-11-23 15:04:29,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878549948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:29,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:29,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:04:29,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190135122] [2022-11-23 15:04:29,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:29,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:04:29,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:04:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:04:29,668 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:04:29,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:29,746 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-11-23 15:04:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:04:29,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-23 15:04:29,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:29,755 INFO L225 Difference]: With dead ends: 61 [2022-11-23 15:04:29,755 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 15:04:29,757 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 [2022-11-23 15:04:29,762 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:29,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 38 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:29,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 15:04:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 15:04:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 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) [2022-11-23 15:04:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-11-23 15:04:29,779 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 4 [2022-11-23 15:04:29,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:29,780 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-11-23 15:04:29,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:04:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-11-23 15:04:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:04:29,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:29,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:29,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:04:29,783 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:29,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:29,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1630395889, now seen corresponding path program 1 times [2022-11-23 15:04:29,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:29,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949134218] [2022-11-23 15:04:29,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:29,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:29,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949134218] [2022-11-23 15:04:29,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949134218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:29,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:29,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:04:29,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484547286] [2022-11-23 15:04:29,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:29,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:04:29,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:29,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:04:29,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:04:29,960 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-23 15:04:30,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:30,057 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-23 15:04:30,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:04:30,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-23 15:04:30,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:30,060 INFO L225 Difference]: With dead ends: 69 [2022-11-23 15:04:30,060 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 15:04:30,061 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 [2022-11-23 15:04:30,063 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:30,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 105 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:30,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 15:04:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-11-23 15:04:30,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 67 states have internal predecessors, (76), 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) [2022-11-23 15:04:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-11-23 15:04:30,082 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 10 [2022-11-23 15:04:30,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:30,082 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-11-23 15:04:30,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-23 15:04:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-11-23 15:04:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:04:30,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:30,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:30,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:04:30,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:30,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:30,086 INFO L85 PathProgramCache]: Analyzing trace with hash -852454595, now seen corresponding path program 1 times [2022-11-23 15:04:30,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:30,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799067101] [2022-11-23 15:04:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:30,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:30,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:30,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799067101] [2022-11-23 15:04:30,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799067101] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:04:30,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452023677] [2022-11-23 15:04:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:30,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:04:30,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:30,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:04:30,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:04:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:30,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:04:30,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:04:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:30,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:04:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:30,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452023677] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:04:30,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [73462824] [2022-11-23 15:04:30,641 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-23 15:04:30,642 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:04:30,649 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:04:30,656 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:04:30,658 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:04:30,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:30,810 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 [2022-11-23 15:04:30,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:30,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:30,906 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 26 treesize of output 28 [2022-11-23 15:04:30,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:30,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:04:30,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:30,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:04:31,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:31,077 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:31,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:31,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:31,199 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 23 treesize of output 22 [2022-11-23 15:04:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:31,249 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 23 treesize of output 22 [2022-11-23 15:04:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,379 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 29 treesize of output 35 [2022-11-23 15:04:31,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:04:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:04:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:04:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:04:31,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:04:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:04:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:31,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:31,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:31,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,910 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-11-23 15:04:31,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-11-23 15:04:31,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,958 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:31,958 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:31,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:31,991 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:31,992 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,204 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:32,204 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 338 treesize of output 325 [2022-11-23 15:04:32,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,260 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:32,261 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 2 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:32,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,310 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:32,317 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 1 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:32,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,516 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:32,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,593 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:32,594 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 338 treesize of output 325 [2022-11-23 15:04:32,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:32,649 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:32,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,774 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 [2022-11-23 15:04:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:32,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:04:32,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:32,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:04:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,045 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:33,046 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:33,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,071 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:33,071 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,125 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-11-23 15:04:33,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-11-23 15:04:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,265 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:33,266 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 338 treesize of output 325 [2022-11-23 15:04:33,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,305 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:33,306 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 2 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:33,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,341 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:33,342 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 1 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:33,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,511 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:33,512 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 338 treesize of output 325 [2022-11-23 15:04:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,558 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:33,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:33,600 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:33,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:33,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,767 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 [2022-11-23 15:04:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,952 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 283 treesize of output 274 [2022-11-23 15:04:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:33,974 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 283 treesize of output 274 [2022-11-23 15:04:33,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:34,030 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-23 15:04:34,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 279 treesize of output 282 [2022-11-23 15:04:34,077 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:04:39,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [73462824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:39,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:04:39,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 14 [2022-11-23 15:04:39,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654163687] [2022-11-23 15:04:39,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:39,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:04:39,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:39,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:04:39,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:04:39,492 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-11-23 15:04:40,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:40,460 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2022-11-23 15:04:40,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 15:04:40,461 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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 12 [2022-11-23 15:04:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:40,462 INFO L225 Difference]: With dead ends: 80 [2022-11-23 15:04:40,462 INFO L226 Difference]: Without dead ends: 80 [2022-11-23 15:04:40,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:04:40,464 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 8 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:40,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 144 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 15:04:40,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-23 15:04:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2022-11-23 15:04:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 76 states have internal predecessors, (86), 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) [2022-11-23 15:04:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2022-11-23 15:04:40,471 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 12 [2022-11-23 15:04:40,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:40,471 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2022-11-23 15:04:40,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-11-23 15:04:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-11-23 15:04:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 15:04:40,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:40,473 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-23 15:04:40,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:04:40,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:04:40,675 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:40,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:40,676 INFO L85 PathProgramCache]: Analyzing trace with hash 135804612, now seen corresponding path program 1 times [2022-11-23 15:04:40,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:40,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394316615] [2022-11-23 15:04:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:40,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:40,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:40,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394316615] [2022-11-23 15:04:40,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394316615] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:04:40,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9377342] [2022-11-23 15:04:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:40,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:04:40,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:40,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:04:40,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:04:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:41,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 15:04:41,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:04:41,070 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:04:41,114 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:04:41,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:04:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:41,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:04:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:41,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9377342] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:04:41,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [484890080] [2022-11-23 15:04:41,327 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-23 15:04:41,327 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:04:41,328 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:04:41,328 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:04:41,328 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:04:41,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,353 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 [2022-11-23 15:04:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,388 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 26 treesize of output 28 [2022-11-23 15:04:41,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:41,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:41,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:04:41,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:41,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:41,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:04:41,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:41,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:41,630 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 23 treesize of output 22 [2022-11-23 15:04:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:41,667 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 23 treesize of output 22 [2022-11-23 15:04:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,727 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 29 treesize of output 35 [2022-11-23 15:04:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:04:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:04:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:04:41,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:04:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:04:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:41,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:04:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,136 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-11-23 15:04:42,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-11-23 15:04:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:42,171 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,196 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:42,197 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:42,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,322 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:42,323 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 1 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:42,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,398 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:42,399 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 338 treesize of output 325 [2022-11-23 15:04:42,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,450 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:42,451 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 2 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,607 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:42,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:42,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,672 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:42,673 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 338 treesize of output 325 [2022-11-23 15:04:42,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:42,721 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:42,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,873 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 [2022-11-23 15:04:42,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:04:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:42,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:43,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:04:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,108 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:43,109 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,173 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-11-23 15:04:43,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-11-23 15:04:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,202 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:43,203 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 1 case distinctions, treesize of input 329 treesize of output 316 [2022-11-23 15:04:43,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,339 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:43,339 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 2 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:43,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,395 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:43,396 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 1 case distinctions, treesize of input 323 treesize of output 325 [2022-11-23 15:04:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,455 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:43,456 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 338 treesize of output 325 [2022-11-23 15:04:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,596 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:43,597 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 338 treesize of output 325 [2022-11-23 15:04:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,687 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:43,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:43,736 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:04:43,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-11-23 15:04:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:43,937 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 29 treesize of output 35 [2022-11-23 15:04:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:44,074 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 299 treesize of output 290 [2022-11-23 15:04:44,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:44,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:44,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:44,135 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-23 15:04:44,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 295 treesize of output 298 [2022-11-23 15:04:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:44,160 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 299 treesize of output 290 [2022-11-23 15:04:44,197 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:04:49,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [484890080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:49,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:04:49,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-23 15:04:49,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100684359] [2022-11-23 15:04:49,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:49,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:04:49,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:49,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:04:49,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:04:49,629 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-23 15:04:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:50,619 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-11-23 15:04:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:04:50,620 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 [2022-11-23 15:04:50,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:50,621 INFO L225 Difference]: With dead ends: 78 [2022-11-23 15:04:50,621 INFO L226 Difference]: Without dead ends: 78 [2022-11-23 15:04:50,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:04:50,622 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 2 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:50,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 146 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 15:04:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-23 15:04:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-23 15:04:50,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 77 states have internal predecessors, (87), 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) [2022-11-23 15:04:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2022-11-23 15:04:50,629 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 19 [2022-11-23 15:04:50,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:50,630 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2022-11-23 15:04:50,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-23 15:04:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-11-23 15:04:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:04:50,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:50,632 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:50,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:04:50,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:04:50,839 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:50,839 INFO L85 PathProgramCache]: Analyzing trace with hash -103979852, now seen corresponding path program 1 times [2022-11-23 15:04:50,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:50,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720225724] [2022-11-23 15:04:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:04:50,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:50,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720225724] [2022-11-23 15:04:50,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720225724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:50,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:50,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:04:50,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117036098] [2022-11-23 15:04:50,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:50,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:04:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:50,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:04:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:04:50,995 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 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) [2022-11-23 15:04:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:51,174 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2022-11-23 15:04:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:04:51,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-23 15:04:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:51,176 INFO L225 Difference]: With dead ends: 94 [2022-11-23 15:04:51,176 INFO L226 Difference]: Without dead ends: 94 [2022-11-23 15:04:51,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:04:51,177 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 165 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:51,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:04:51,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-23 15:04:51,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2022-11-23 15:04:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.5) internal successors, (84), 71 states have internal predecessors, (84), 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) [2022-11-23 15:04:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-11-23 15:04:51,184 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2022-11-23 15:04:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:51,184 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-11-23 15:04:51,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 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) [2022-11-23 15:04:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-11-23 15:04:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:04:51,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:51,186 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:51,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:04:51,187 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:51,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:51,187 INFO L85 PathProgramCache]: Analyzing trace with hash -103979851, now seen corresponding path program 1 times [2022-11-23 15:04:51,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:51,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597610644] [2022-11-23 15:04:51,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:51,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:51,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:51,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597610644] [2022-11-23 15:04:51,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597610644] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:04:51,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087209846] [2022-11-23 15:04:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:51,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:04:51,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:51,339 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:04:51,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:04:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:51,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:04:51,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:04:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:51,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:04:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:51,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087209846] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:04:51,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1037369364] [2022-11-23 15:04:51,632 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-11-23 15:04:51,633 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:04:51,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:04:51,633 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:04:51,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:04:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,672 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 [2022-11-23 15:04:51,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,730 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 26 treesize of output 28 [2022-11-23 15:04:51,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:51,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:51,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:04:51,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:51,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:51,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:51,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:04:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:51,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:51,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:51,923 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 23 treesize of output 22 [2022-11-23 15:04:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:51,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:51,958 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 23 treesize of output 22 [2022-11-23 15:04:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,027 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 [2022-11-23 15:04:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:52,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:04:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:04:52,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-11-23 15:04:52,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:52,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:52,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,383 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:52,384 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 342 treesize of output 323 [2022-11-23 15:04:52,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,426 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:04:52,426 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 1 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:04:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,465 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:04:52,466 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 2 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:04:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,605 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:04:52,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:04:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,659 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:52,660 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 342 treesize of output 323 [2022-11-23 15:04:52,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,702 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:04:52,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:04:52,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,869 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:04:52,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-11-23 15:04:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:52,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,930 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:52,931 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 338 treesize of output 319 [2022-11-23 15:04:52,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:52,971 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:04:52,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 350 treesize of output 351 [2022-11-23 15:04:53,397 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:04:53,398 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 572 treesize of output 565 [2022-11-23 15:04:53,665 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-23 15:04:53,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 494 [2022-11-23 15:04:53,827 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:04:53,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 610 treesize of output 606 [2022-11-23 15:04:53,916 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-11-23 15:04:53,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 584 [2022-11-23 15:04:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,148 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-11-23 15:04:54,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-11-23 15:04:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:54,334 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:04:54,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 619 treesize of output 618 [2022-11-23 15:04:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,436 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-11-23 15:04:54,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-11-23 15:04:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,682 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-11-23 15:04:54,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-11-23 15:04:54,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:54,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:54,873 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:04:54,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 628 treesize of output 630 [2022-11-23 15:04:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:54,966 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-11-23 15:04:54,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-11-23 15:04:55,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:55,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:55,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:04:55,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:04:55,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:55,136 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:55,137 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:04:55,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:55,157 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:04:55,158 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:04:55,177 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 [2022-11-23 15:04:55,183 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 [2022-11-23 15:04:55,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:55,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:55,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:04:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:55,218 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 21 treesize of output 20 [2022-11-23 15:04:55,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:55,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:04:55,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:55,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:55,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:04:55,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:04:55,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:55,358 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:04:55,358 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:04:55,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:55,383 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:04:55,384 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:04:55,440 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 [2022-11-23 15:04:55,445 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 [2022-11-23 15:04:55,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:55,512 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:04:55,513 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:04:55,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:55,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:55,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:55,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:55,619 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:04:55,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 162 treesize of output 167 [2022-11-23 15:04:55,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:55,656 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:04:57,275 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1499#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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_~head~0#1.offset| 0) (not (< 0 |ULTIMATE.start_dll_create_~len#1|)) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-23 15:04:57,275 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:04:57,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:04:57,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-23 15:04:57,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327874380] [2022-11-23 15:04:57,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:04:57,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:04:57,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:57,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:04:57,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:04:57,277 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-11-23 15:04:57,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:57,361 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2022-11-23 15:04:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:04:57,362 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 22 [2022-11-23 15:04:57,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:57,363 INFO L225 Difference]: With dead ends: 128 [2022-11-23 15:04:57,363 INFO L226 Difference]: Without dead ends: 128 [2022-11-23 15:04:57,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:04:57,364 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 51 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:57,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 275 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-23 15:04:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2022-11-23 15:04:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 123 states have internal predecessors, (143), 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) [2022-11-23 15:04:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2022-11-23 15:04:57,376 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 22 [2022-11-23 15:04:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:57,377 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-11-23 15:04:57,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-11-23 15:04:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-11-23 15:04:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-23 15:04:57,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:57,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-11-23 15:04:57,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:04:57,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 15:04:57,587 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:04:57,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash -750116498, now seen corresponding path program 1 times [2022-11-23 15:04:57,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:57,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552852728] [2022-11-23 15:04:57,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:04:57,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:57,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552852728] [2022-11-23 15:04:57,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552852728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:04:57,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671544677] [2022-11-23 15:04:57,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:57,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:04:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:57,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:04:57,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:04:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:58,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 15:04:58,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:04:58,171 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:04:58,177 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:04:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,283 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 14 [2022-11-23 15:04:58,294 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:04:58,295 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 11 treesize of output 11 [2022-11-23 15:04:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:04:58,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:04:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:04:58,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671544677] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:04:58,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [708336753] [2022-11-23 15:04:58,732 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-23 15:04:58,733 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:04:58,733 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:04:58,733 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:04:58,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:04:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,770 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 [2022-11-23 15:04:58,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:58,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:04:58,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,814 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 26 treesize of output 28 [2022-11-23 15:04:58,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:04:58,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:58,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:58,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:04:58,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:04:58,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:58,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:58,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:04:58,993 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 23 treesize of output 22 [2022-11-23 15:04:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:04:59,035 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 23 treesize of output 22 [2022-11-23 15:04:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,110 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 [2022-11-23 15:04:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:04:59,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:04:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:04:59,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:59,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:04:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,369 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:59,369 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 1 case distinctions, treesize of input 313 treesize of output 300 [2022-11-23 15:04:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,424 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 15:04:59,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 307 treesize of output 306 [2022-11-23 15:04:59,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,453 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:04:59,454 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 1 case distinctions, treesize of input 313 treesize of output 300 [2022-11-23 15:04:59,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,584 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:59,585 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 322 treesize of output 309 [2022-11-23 15:04:59,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,634 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:04:59,635 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 2 case distinctions, treesize of input 307 treesize of output 309 [2022-11-23 15:04:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,672 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:04:59,673 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 1 case distinctions, treesize of input 307 treesize of output 309 [2022-11-23 15:04:59,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,803 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:04:59,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 316 treesize of output 321 [2022-11-23 15:04:59,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,856 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:04:59,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 316 treesize of output 321 [2022-11-23 15:04:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:04:59,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:04:59,926 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:04:59,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 322 treesize of output 309 [2022-11-23 15:05:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:00,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,090 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:00,091 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 322 treesize of output 309 [2022-11-23 15:05:00,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,137 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:00,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 325 treesize of output 326 [2022-11-23 15:05:00,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:00,184 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:00,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 321 treesize of output 322 [2022-11-23 15:05:00,540 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:05:00,541 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 510 treesize of output 511 [2022-11-23 15:05:00,717 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:05:00,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-11-23 15:05:00,843 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:05:00,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-11-23 15:05:00,927 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:05:00,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 552 treesize of output 537 [2022-11-23 15:05:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,130 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:01,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:05:01,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:01,296 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:05:01,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-11-23 15:05:01,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,357 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:01,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:05:01,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:01,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:01,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:01,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-23 15:05:01,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:01,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:01,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:01,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-23 15:05:01,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:01,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:01,544 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:01,544 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:01,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:01,568 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:01,569 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,583 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 29 treesize of output 13 [2022-11-23 15:05:01,625 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 [2022-11-23 15:05:01,631 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 [2022-11-23 15:05:01,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:01,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:01,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,676 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 21 treesize of output 20 [2022-11-23 15:05:01,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:01,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:01,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:01,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:01,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:01,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:01,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:01,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-23 15:05:01,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:01,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:01,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-23 15:05:01,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:01,810 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:01,811 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:01,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:01,834 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:01,834 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:01,848 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 29 treesize of output 13 [2022-11-23 15:05:01,903 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 [2022-11-23 15:05:01,911 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 [2022-11-23 15:05:01,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:01,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:01,999 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:05:02,000 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:05:02,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:02,047 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:05:03,632 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1939#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< (select |#length| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 16)) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= |ULTIMATE.start_dll_create_~len#1| 5) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 16 |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 20) (select |#length| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))' at error location [2022-11-23 15:05:03,633 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:05:03,633 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:05:03,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-11-23 15:05:03,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466924479] [2022-11-23 15:05:03,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:05:03,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:05:03,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:03,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:05:03,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:05:03,636 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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) [2022-11-23 15:05:03,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:03,915 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2022-11-23 15:05:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:05:03,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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 29 [2022-11-23 15:05:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:03,917 INFO L225 Difference]: With dead ends: 143 [2022-11-23 15:05:03,918 INFO L226 Difference]: Without dead ends: 143 [2022-11-23 15:05:03,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:05:03,919 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 315 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:03,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 64 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:05:03,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-23 15:05:03,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2022-11-23 15:05:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 119 states have internal predecessors, (137), 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) [2022-11-23 15:05:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2022-11-23 15:05:03,927 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 29 [2022-11-23 15:05:03,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:03,927 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-11-23 15:05:03,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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) [2022-11-23 15:05:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-11-23 15:05:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-23 15:05:03,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:03,930 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-11-23 15:05:03,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:04,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:04,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:04,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:04,138 INFO L85 PathProgramCache]: Analyzing trace with hash -59398630, now seen corresponding path program 2 times [2022-11-23 15:05:04,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:04,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889163969] [2022-11-23 15:05:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:04,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:05:04,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:04,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889163969] [2022-11-23 15:05:04,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889163969] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:04,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471788626] [2022-11-23 15:05:04,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:05:04,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:04,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:04,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:04,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:05:04,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 15:05:04,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:05:04,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 15:05:04,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-23 15:05:04,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:05:04,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471788626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:05:04,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:05:04,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-11-23 15:05:04,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93490611] [2022-11-23 15:05:04,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:05:04,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:05:04,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:04,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:05:04,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:05:04,582 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2022-11-23 15:05:04,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:04,779 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2022-11-23 15:05:04,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:05:04,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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 49 [2022-11-23 15:05:04,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:04,781 INFO L225 Difference]: With dead ends: 147 [2022-11-23 15:05:04,781 INFO L226 Difference]: Without dead ends: 147 [2022-11-23 15:05:04,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:05:04,782 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 286 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:04,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 43 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:05:04,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-23 15:05:04,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-11-23 15:05:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 136 states have internal predecessors, (160), 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) [2022-11-23 15:05:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2022-11-23 15:05:04,792 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 49 [2022-11-23 15:05:04,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:04,793 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2022-11-23 15:05:04,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2022-11-23 15:05:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-11-23 15:05:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:05:04,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:04,795 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:04,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:05,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:05,002 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:05,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:05,003 INFO L85 PathProgramCache]: Analyzing trace with hash -18057743, now seen corresponding path program 1 times [2022-11-23 15:05:05,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:05,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253073208] [2022-11-23 15:05:05,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:05,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:05:05,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:05,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253073208] [2022-11-23 15:05:05,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253073208] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:05,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749259345] [2022-11-23 15:05:05,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:05,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:05,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:05,162 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:05,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:05:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:05,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:05:05,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:05:05,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:05:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:05:05,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749259345] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:05:05,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [624081464] [2022-11-23 15:05:05,530 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-23 15:05:05,530 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:05:05,531 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:05:05,531 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:05:05,531 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:05:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,568 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 [2022-11-23 15:05:05,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:05,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,612 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 26 treesize of output 28 [2022-11-23 15:05:05,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:05:05,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:05,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:05,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:05:05,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:05,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:05,783 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 23 treesize of output 22 [2022-11-23 15:05:05,794 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 23 treesize of output 22 [2022-11-23 15:05:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,886 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 [2022-11-23 15:05:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:05:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:05:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:05:05,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:05,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:06,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:05:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:06,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-11-23 15:05:06,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,194 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:06,195 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 345 treesize of output 326 [2022-11-23 15:05:06,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,233 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:05:06,234 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 1 case distinctions, treesize of input 339 treesize of output 341 [2022-11-23 15:05:06,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,267 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:05:06,268 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 2 case distinctions, treesize of input 339 treesize of output 341 [2022-11-23 15:05:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,375 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:06,375 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 345 treesize of output 326 [2022-11-23 15:05:06,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,424 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:05:06,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 353 [2022-11-23 15:05:06,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,463 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:05:06,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 353 [2022-11-23 15:05:06,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,588 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:06,588 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 345 treesize of output 326 [2022-11-23 15:05:06,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,633 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:06,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 357 treesize of output 358 [2022-11-23 15:05:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:06,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:06,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 354 [2022-11-23 15:05:07,059 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:05:07,060 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 510 treesize of output 511 [2022-11-23 15:05:07,285 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:05:07,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-11-23 15:05:07,450 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:05:07,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-11-23 15:05:07,521 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:05:07,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 552 treesize of output 537 [2022-11-23 15:05:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,689 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:07,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:05:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,759 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:07,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:05:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:07,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:07,918 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:05:07,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-11-23 15:05:08,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,093 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:08,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:05:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:08,284 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:05:08,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-11-23 15:05:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,354 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:08,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:05:08,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:08,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:08,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:08,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:08,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:08,508 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:08,508 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:08,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:08,557 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:08,557 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:08,580 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 [2022-11-23 15:05:08,587 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 [2022-11-23 15:05:08,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:08,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:08,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:08,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,642 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 21 treesize of output 20 [2022-11-23 15:05:08,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:08,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:08,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:08,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:08,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:08,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:08,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:08,766 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:08,767 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:08,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:08,803 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:08,803 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:08,906 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 [2022-11-23 15:05:08,912 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 [2022-11-23 15:05:08,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:09,001 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:05:09,002 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:05:09,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:09,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:09,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:09,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:09,110 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:05:09,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 162 treesize of output 167 [2022-11-23 15:05:09,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:09,155 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:05:11,728 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2969#(and (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= (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_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |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) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~1#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-23 15:05:11,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:05:11,728 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:05:11,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-23 15:05:11,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659694495] [2022-11-23 15:05:11,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:05:11,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:05:11,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:11,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:05:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:05:11,731 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-23 15:05:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:11,823 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-11-23 15:05:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:05:11,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 52 [2022-11-23 15:05:11,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:11,838 INFO L225 Difference]: With dead ends: 110 [2022-11-23 15:05:11,838 INFO L226 Difference]: Without dead ends: 110 [2022-11-23 15:05:11,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:05:11,839 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 96 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:11,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:05:11,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-23 15:05:11,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-23 15:05:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 109 states have internal predecessors, (126), 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) [2022-11-23 15:05:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-11-23 15:05:11,856 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 52 [2022-11-23 15:05:11,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:11,856 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-11-23 15:05:11,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-23 15:05:11,857 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-11-23 15:05:11,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-23 15:05:11,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:11,859 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:11,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:12,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:12,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:12,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 58255217, now seen corresponding path program 2 times [2022-11-23 15:05:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:12,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549807066] [2022-11-23 15:05:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-23 15:05:12,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:12,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549807066] [2022-11-23 15:05:12,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549807066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:05:12,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:05:12,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:05:12,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871552387] [2022-11-23 15:05:12,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:05:12,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:05:12,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:12,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:05:12,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:05:12,359 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-11-23 15:05:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:12,487 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-11-23 15:05:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:05:12,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 55 [2022-11-23 15:05:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:12,489 INFO L225 Difference]: With dead ends: 118 [2022-11-23 15:05:12,489 INFO L226 Difference]: Without dead ends: 118 [2022-11-23 15:05:12,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:05:12,490 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 195 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:12,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 58 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:05:12,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-23 15:05:12,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-11-23 15:05:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 109 states have internal predecessors, (125), 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) [2022-11-23 15:05:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-11-23 15:05:12,495 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 55 [2022-11-23 15:05:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:12,495 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-11-23 15:05:12,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-11-23 15:05:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-11-23 15:05:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 15:05:12,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:12,497 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:12,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:05:12,497 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:12,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:12,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1699716313, now seen corresponding path program 1 times [2022-11-23 15:05:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:12,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624774767] [2022-11-23 15:05:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 15:05:13,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:13,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624774767] [2022-11-23 15:05:13,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624774767] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:13,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514048989] [2022-11-23 15:05:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:13,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:13,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:13,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:13,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:05:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:13,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-23 15:05:13,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:13,683 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:05:13,707 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:05:13,707 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 11 treesize of output 11 [2022-11-23 15:05:13,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:13,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,767 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 21 treesize of output 20 [2022-11-23 15:05:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:13,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:13,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:13,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-23 15:05:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:05:13,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:05:14,021 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1876 (Array Int Int)) (v_ArrVal_1875 Int)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_1875)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1876) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2022-11-23 15:05:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-11-23 15:05:14,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514048989] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:05:14,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1100605671] [2022-11-23 15:05:14,102 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-23 15:05:14,102 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:05:14,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:05:14,102 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:05:14,102 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:05:14,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,126 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 [2022-11-23 15:05:14,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:14,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:14,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,169 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 26 treesize of output 28 [2022-11-23 15:05:14,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:05:14,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:05:14,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:14,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:14,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:14,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:14,323 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 23 treesize of output 22 [2022-11-23 15:05:14,333 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 23 treesize of output 22 [2022-11-23 15:05:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,389 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 29 treesize of output 35 [2022-11-23 15:05:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:05:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:05:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:05:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:05:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-11-23 15:05:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:14,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,682 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:14,682 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 2 case distinctions, treesize of input 355 treesize of output 357 [2022-11-23 15:05:14,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,732 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:14,733 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 361 treesize of output 342 [2022-11-23 15:05:14,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,769 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:14,770 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 1 case distinctions, treesize of input 355 treesize of output 357 [2022-11-23 15:05:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,912 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:14,912 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 361 treesize of output 342 [2022-11-23 15:05:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,961 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:05:14,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 369 [2022-11-23 15:05:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:14,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:14,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,006 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:05:15,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 369 [2022-11-23 15:05:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,220 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:15,221 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 361 treesize of output 342 [2022-11-23 15:05:15,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:15,264 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:15,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 373 treesize of output 372 [2022-11-23 15:05:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:15,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 366 [2022-11-23 15:05:15,673 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:05:15,674 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 610 treesize of output 603 [2022-11-23 15:05:15,965 INFO L321 Elim1Store]: treesize reduction 248, result has 16.5 percent of original size [2022-11-23 15:05:15,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 652 treesize of output 532 [2022-11-23 15:05:16,219 INFO L321 Elim1Store]: treesize reduction 752, result has 11.1 percent of original size [2022-11-23 15:05:16,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 648 treesize of output 644 [2022-11-23 15:05:16,313 INFO L321 Elim1Store]: treesize reduction 248, result has 15.4 percent of original size [2022-11-23 15:05:16,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 652 treesize of output 595 [2022-11-23 15:05:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:16,704 INFO L321 Elim1Store]: treesize reduction 860, result has 9.2 percent of original size [2022-11-23 15:05:16,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 657 treesize of output 656 [2022-11-23 15:05:16,847 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-11-23 15:05:16,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 532 [2022-11-23 15:05:16,936 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-11-23 15:05:16,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 595 [2022-11-23 15:05:17,138 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-11-23 15:05:17,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 532 [2022-11-23 15:05:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,423 INFO L321 Elim1Store]: treesize reduction 976, result has 8.2 percent of original size [2022-11-23 15:05:17,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 666 treesize of output 668 [2022-11-23 15:05:17,543 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-11-23 15:05:17,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 595 [2022-11-23 15:05:17,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:17,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:17,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:17,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:17,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:17,718 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:17,719 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:17,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:17,756 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:17,757 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:17,781 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 [2022-11-23 15:05:17,787 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 [2022-11-23 15:05:17,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:17,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:17,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:17,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,834 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 21 treesize of output 20 [2022-11-23 15:05:17,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:17,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:17,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:17,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:17,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:17,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:17,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:17,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:17,977 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:17,978 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:17,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:18,005 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:18,005 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:18,176 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 [2022-11-23 15:05:18,183 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 [2022-11-23 15:05:18,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:18,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:18,274 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:05:18,274 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:05:18,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:18,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:18,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:18,431 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:05:18,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:05:18,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:18,494 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:05:22,047 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3811#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 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))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-23 15:05:22,047 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:05:22,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:05:22,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 20 [2022-11-23 15:05:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510243421] [2022-11-23 15:05:22,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:05:22,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 15:05:22,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:22,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 15:05:22,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=949, Unknown=8, NotChecked=64, Total=1190 [2022-11-23 15:05:22,056 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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) [2022-11-23 15:05:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:22,850 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2022-11-23 15:05:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:05:22,850 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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 59 [2022-11-23 15:05:22,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:22,851 INFO L225 Difference]: With dead ends: 137 [2022-11-23 15:05:22,852 INFO L226 Difference]: Without dead ends: 137 [2022-11-23 15:05:22,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 151 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=353, Invalid=1805, Unknown=8, NotChecked=90, Total=2256 [2022-11-23 15:05:22,853 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 601 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:22,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 212 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 367 Invalid, 0 Unknown, 74 Unchecked, 0.4s Time] [2022-11-23 15:05:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-23 15:05:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-23 15:05:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.309278350515464) internal successors, (127), 111 states have internal predecessors, (127), 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) [2022-11-23 15:05:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-11-23 15:05:22,858 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 59 [2022-11-23 15:05:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:22,859 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-11-23 15:05:22,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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) [2022-11-23 15:05:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-11-23 15:05:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-23 15:05:22,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:22,860 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:22,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:23,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 15:05:23,069 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:23,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:23,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1015941348, now seen corresponding path program 1 times [2022-11-23 15:05:23,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:23,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199649155] [2022-11-23 15:05:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:23,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:05:24,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:24,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199649155] [2022-11-23 15:05:24,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199649155] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:24,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472214924] [2022-11-23 15:05:24,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:24,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:24,767 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:24,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:05:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:25,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-23 15:05:25,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:25,133 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:05:25,161 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:05:25,162 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 11 treesize of output 11 [2022-11-23 15:05:25,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:25,193 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 23 treesize of output 22 [2022-11-23 15:05:25,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:25,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:25,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 15:05:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:05:25,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:05:25,486 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2257 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2257) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0)) is different from false [2022-11-23 15:05:25,497 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2255 Int) (v_ArrVal_2257 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_2255)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2257) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0)) is different from false [2022-11-23 15:05:25,626 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:25,627 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 3 case distinctions, treesize of input 32 treesize of output 43 [2022-11-23 15:05:25,632 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 36 treesize of output 24 [2022-11-23 15:05:25,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:05:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-11-23 15:05:25,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472214924] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:05:25,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [605229134] [2022-11-23 15:05:25,722 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-23 15:05:25,722 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:05:25,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:05:25,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:05:25,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:05:25,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,753 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 [2022-11-23 15:05:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,791 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 26 treesize of output 28 [2022-11-23 15:05:25,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:25,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:05:25,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:25,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:25,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:05:25,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:25,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:25,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:25,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:25,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:25,991 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 23 treesize of output 22 [2022-11-23 15:05:26,002 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 23 treesize of output 22 [2022-11-23 15:05:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,059 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 [2022-11-23 15:05:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:05:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:05:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:05:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:05:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-11-23 15:05:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:05:26,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,409 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:26,410 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 342 treesize of output 323 [2022-11-23 15:05:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,448 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:05:26,448 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 1 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:05:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,487 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:05:26,488 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 2 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:05:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,612 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:26,613 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 342 treesize of output 323 [2022-11-23 15:05:26,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,653 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:05:26,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:05:26,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,696 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:05:26,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:05:26,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,868 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:26,869 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 342 treesize of output 323 [2022-11-23 15:05:26,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,913 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:26,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-11-23 15:05:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:26,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:26,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 351 [2022-11-23 15:05:27,298 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:05:27,298 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 537 treesize of output 538 [2022-11-23 15:05:27,516 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:05:27,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-11-23 15:05:27,578 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:05:27,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 579 treesize of output 564 [2022-11-23 15:05:27,713 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:05:27,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-11-23 15:05:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:27,885 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:27,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:05:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:27,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,045 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:05:28,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-11-23 15:05:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,122 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:28,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:05:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,395 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:05:28,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-11-23 15:05:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,462 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:28,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:05:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,525 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:28,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:05:28,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:28,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:28,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:28,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:28,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,699 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:28,699 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:28,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,722 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:28,723 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:28,744 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 [2022-11-23 15:05:28,751 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 [2022-11-23 15:05:28,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:28,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:28,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:28,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,791 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 21 treesize of output 20 [2022-11-23 15:05:28,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:28,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:28,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:28,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:28,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:28,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:28,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:28,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,936 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:28,937 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:28,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:28,962 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:28,962 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:29,142 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 [2022-11-23 15:05:29,148 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 [2022-11-23 15:05:29,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:29,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:29,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:29,238 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:05:29,238 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:05:29,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:29,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:29,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:29,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:29,339 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:05:29,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:05:29,394 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:05:33,843 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4483#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 12) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |#NULL.offset| 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_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-23 15:05:33,844 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:05:33,844 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:05:33,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 25 [2022-11-23 15:05:33,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513435965] [2022-11-23 15:05:33,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:05:33,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 15:05:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:33,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 15:05:33,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1342, Unknown=2, NotChecked=154, Total=1722 [2022-11-23 15:05:33,847 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 25 states, 25 states have (on average 3.6) internal successors, (90), 25 states have internal predecessors, (90), 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) [2022-11-23 15:05:34,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:34,734 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2022-11-23 15:05:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:05:34,735 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.6) internal successors, (90), 25 states have internal predecessors, (90), 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 60 [2022-11-23 15:05:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:34,736 INFO L225 Difference]: With dead ends: 137 [2022-11-23 15:05:34,736 INFO L226 Difference]: Without dead ends: 137 [2022-11-23 15:05:34,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 149 SyntacticMatches, 8 SemanticMatches, 53 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=455, Invalid=2307, Unknown=2, NotChecked=206, Total=2970 [2022-11-23 15:05:34,738 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 599 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 223 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:34,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 219 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 321 Invalid, 0 Unknown, 223 Unchecked, 0.3s Time] [2022-11-23 15:05:34,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-23 15:05:34,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-23 15:05:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.288659793814433) internal successors, (125), 111 states have internal predecessors, (125), 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) [2022-11-23 15:05:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 125 transitions. [2022-11-23 15:05:34,742 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 125 transitions. Word has length 60 [2022-11-23 15:05:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:34,743 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 125 transitions. [2022-11-23 15:05:34,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.6) internal successors, (90), 25 states have internal predecessors, (90), 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) [2022-11-23 15:05:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2022-11-23 15:05:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 15:05:34,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:34,744 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:34,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:34,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 15:05:34,953 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:34,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:34,953 INFO L85 PathProgramCache]: Analyzing trace with hash -56650591, now seen corresponding path program 1 times [2022-11-23 15:05:34,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:34,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915257471] [2022-11-23 15:05:34,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:34,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 15:05:35,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:35,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915257471] [2022-11-23 15:05:35,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915257471] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:35,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505590528] [2022-11-23 15:05:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:35,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:35,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:35,869 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:35,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 15:05:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:36,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-23 15:05:36,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:36,286 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 [2022-11-23 15:05:36,373 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:05:36,373 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 [2022-11-23 15:05:36,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:36,475 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 23 treesize of output 22 [2022-11-23 15:05:36,506 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:05:36,506 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 33 treesize of output 34 [2022-11-23 15:05:36,611 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:36,612 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 26 treesize of output 20 [2022-11-23 15:05:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:05:36,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:05:37,151 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:37,151 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 28 treesize of output 34 [2022-11-23 15:05:37,164 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:37,164 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 39 treesize of output 35 [2022-11-23 15:05:37,170 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 22 treesize of output 18 [2022-11-23 15:05:37,217 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:37,218 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 26 treesize of output 32 [2022-11-23 15:05:37,231 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:37,232 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 35 treesize of output 33 [2022-11-23 15:05:37,238 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 20 treesize of output 18 [2022-11-23 15:05:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:05:37,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505590528] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:05:37,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [441953186] [2022-11-23 15:05:37,535 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-23 15:05:37,535 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:05:37,537 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:05:37,537 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:05:37,537 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:05:37,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,568 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 [2022-11-23 15:05:37,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,595 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 26 treesize of output 28 [2022-11-23 15:05:37,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:37,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:37,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:05:37,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:37,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:37,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:37,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:37,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:05:37,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:37,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:37,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:37,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:37,817 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 23 treesize of output 22 [2022-11-23 15:05:37,828 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 23 treesize of output 22 [2022-11-23 15:05:37,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,893 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 29 treesize of output 35 [2022-11-23 15:05:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:05:37,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:05:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:05:37,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:37,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:38,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:05:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-11-23 15:05:38,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:38,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,227 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:38,229 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 364 treesize of output 345 [2022-11-23 15:05:38,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,268 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:38,269 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 2 case distinctions, treesize of input 358 treesize of output 360 [2022-11-23 15:05:38,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,310 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:38,310 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 1 case distinctions, treesize of input 358 treesize of output 360 [2022-11-23 15:05:38,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,454 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:38,454 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 364 treesize of output 345 [2022-11-23 15:05:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,498 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:05:38,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 367 treesize of output 372 [2022-11-23 15:05:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,548 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:05:38,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 367 treesize of output 372 [2022-11-23 15:05:38,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:38,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,721 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:38,722 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 364 treesize of output 345 [2022-11-23 15:05:38,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,765 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:38,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 376 treesize of output 375 [2022-11-23 15:05:38,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:38,805 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:38,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 370 treesize of output 369 [2022-11-23 15:05:39,173 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:05:39,174 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 510 treesize of output 511 [2022-11-23 15:05:39,458 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:05:39,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-11-23 15:05:39,521 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:05:39,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-11-23 15:05:39,579 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:05:39,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 552 treesize of output 537 [2022-11-23 15:05:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,849 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:05:39,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-11-23 15:05:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,919 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:39,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:05:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:39,979 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:39,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:05:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:40,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:40,257 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:05:40,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-11-23 15:05:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,327 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:40,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:05:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,397 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:40,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:05:40,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:40,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:40,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:40,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:40,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:40,568 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:40,568 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:40,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:40,600 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:40,600 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:40,621 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 [2022-11-23 15:05:40,627 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 [2022-11-23 15:05:40,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:40,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:40,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:40,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,685 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 21 treesize of output 20 [2022-11-23 15:05:40,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:40,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:40,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:40,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:40,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:40,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:40,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:40,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:40,820 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:40,821 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:40,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:40,849 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:40,850 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:40,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:41,050 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 [2022-11-23 15:05:41,056 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 [2022-11-23 15:05:41,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:41,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:41,145 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:05:41,146 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:05:41,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:41,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:41,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:41,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:41,272 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:05:41,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:05:41,311 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:05:46,286 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5166#(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$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 16) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= (select (select |#memory_$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) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-23 15:05:46,286 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:05:46,286 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:05:46,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 28 [2022-11-23 15:05:46,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116072973] [2022-11-23 15:05:46,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:05:46,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-23 15:05:46,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:46,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-23 15:05:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1753, Unknown=2, NotChecked=0, Total=1980 [2022-11-23 15:05:46,289 INFO L87 Difference]: Start difference. First operand 112 states and 125 transitions. Second operand has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 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) [2022-11-23 15:05:47,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:47,789 INFO L93 Difference]: Finished difference Result 125 states and 134 transitions. [2022-11-23 15:05:47,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:05:47,790 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-11-23 15:05:47,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:47,791 INFO L225 Difference]: With dead ends: 125 [2022-11-23 15:05:47,791 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 15:05:47,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 147 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=501, Invalid=3157, Unknown=2, NotChecked=0, Total=3660 [2022-11-23 15:05:47,793 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 804 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:47,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 386 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:05:47,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 15:05:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 102. [2022-11-23 15:05:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.2758620689655173) internal successors, (111), 101 states have internal predecessors, (111), 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) [2022-11-23 15:05:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2022-11-23 15:05:47,797 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 61 [2022-11-23 15:05:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:47,797 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2022-11-23 15:05:47,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 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) [2022-11-23 15:05:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2022-11-23 15:05:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:05:47,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:47,810 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:47,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:48,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 15:05:48,011 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:48,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:48,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1358180244, now seen corresponding path program 1 times [2022-11-23 15:05:48,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:48,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013816300] [2022-11-23 15:05:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:48,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 33 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:05:49,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:49,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013816300] [2022-11-23 15:05:49,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013816300] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:49,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074119098] [2022-11-23 15:05:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:49,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:49,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:49,187 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:49,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 15:05:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:49,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-23 15:05:49,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:49,622 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:05:49,649 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:05:49,649 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 11 treesize of output 11 [2022-11-23 15:05:49,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:49,687 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 23 treesize of output 22 [2022-11-23 15:05:49,721 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:05:49,721 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 35 [2022-11-23 15:05:49,881 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 25 treesize of output 13 [2022-11-23 15:05:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:05:49,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:05:49,977 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-11-23 15:05:49,977 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 21 treesize of output 20 [2022-11-23 15:05:50,031 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3006 Int) (v_ArrVal_3008 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_3006)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3008) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) is different from false [2022-11-23 15:05:50,044 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:05:50,045 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 2 case distinctions, treesize of input 27 treesize of output 33 [2022-11-23 15:05:50,049 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 36 treesize of output 24 [2022-11-23 15:05:50,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:05:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-11-23 15:05:50,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074119098] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:05:50,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1895698603] [2022-11-23 15:05:50,139 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-23 15:05:50,139 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:05:50,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:05:50,140 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:05:50,141 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:05:50,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,169 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 [2022-11-23 15:05:50,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,197 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 26 treesize of output 28 [2022-11-23 15:05:50,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:50,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:50,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:50,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:50,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:05:50,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:05:50,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:50,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:50,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:50,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:50,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:05:50,389 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 23 treesize of output 22 [2022-11-23 15:05:50,401 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 23 treesize of output 22 [2022-11-23 15:05:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,454 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 29 treesize of output 35 [2022-11-23 15:05:50,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:05:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:05:50,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:05:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:05:50,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:50,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-11-23 15:05:50,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:05:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,755 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:50,758 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 361 treesize of output 342 [2022-11-23 15:05:50,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,785 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:50,785 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 2 case distinctions, treesize of input 355 treesize of output 357 [2022-11-23 15:05:50,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,813 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:50,814 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 1 case distinctions, treesize of input 355 treesize of output 357 [2022-11-23 15:05:50,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,903 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:50,904 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 361 treesize of output 342 [2022-11-23 15:05:50,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,955 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:05:50,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 364 treesize of output 369 [2022-11-23 15:05:50,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:50,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:50,990 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:05:50,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 369 [2022-11-23 15:05:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,117 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:05:51,117 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 361 treesize of output 342 [2022-11-23 15:05:51,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,150 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:05:51,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 373 treesize of output 372 [2022-11-23 15:05:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 366 [2022-11-23 15:05:51,421 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:05:51,421 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 537 treesize of output 538 [2022-11-23 15:05:51,573 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:05:51,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-11-23 15:05:51,687 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:05:51,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-11-23 15:05:51,740 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:05:51,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 579 treesize of output 564 [2022-11-23 15:05:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:51,973 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:05:51,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-11-23 15:05:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,024 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:52,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:05:52,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,071 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:52,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:05:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:52,272 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:05:52,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-11-23 15:05:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,336 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:05:52,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:05:52,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,386 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:05:52,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:05:52,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:52,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:52,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:52,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:52,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:52,515 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:52,515 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:52,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:52,545 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:52,546 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:52,569 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 [2022-11-23 15:05:52,576 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 [2022-11-23 15:05:52,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:05:52,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:52,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,614 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 21 treesize of output 20 [2022-11-23 15:05:52,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:52,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:05:52,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:52,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:05:52,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:52,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:52,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:05:52,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:52,742 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:05:52,742 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:05:52,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:52,767 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:05:52,768 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:05:52,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:53,072 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 [2022-11-23 15:05:53,079 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 [2022-11-23 15:05:53,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:53,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:05:53,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:53,186 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:05:53,186 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:05:53,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:05:53,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:05:53,299 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:05:53,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:05:53,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:05:53,364 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:05:57,165 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5831#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)) (<= |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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|))' at error location [2022-11-23 15:05:57,165 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:05:57,165 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:05:57,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 21 [2022-11-23 15:05:57,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424926705] [2022-11-23 15:05:57,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:05:57,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 15:05:57,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:57,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 15:05:57,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1236, Unknown=6, NotChecked=72, Total=1482 [2022-11-23 15:05:57,168 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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) [2022-11-23 15:05:58,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:58,227 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2022-11-23 15:05:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:05:58,227 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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 62 [2022-11-23 15:05:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:58,228 INFO L225 Difference]: With dead ends: 124 [2022-11-23 15:05:58,229 INFO L226 Difference]: Without dead ends: 124 [2022-11-23 15:05:58,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 153 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 2 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=365, Invalid=2082, Unknown=7, NotChecked=96, Total=2550 [2022-11-23 15:05:58,231 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 511 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:58,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 223 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 566 Invalid, 0 Unknown, 86 Unchecked, 0.5s Time] [2022-11-23 15:05:58,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-23 15:05:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2022-11-23 15:05:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 102 states have internal predecessors, (113), 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) [2022-11-23 15:05:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 113 transitions. [2022-11-23 15:05:58,235 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 113 transitions. Word has length 62 [2022-11-23 15:05:58,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:58,235 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 113 transitions. [2022-11-23 15:05:58,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 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) [2022-11-23 15:05:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2022-11-23 15:05:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:05:58,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:58,237 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:58,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:58,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-23 15:05:58,439 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:05:58,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:58,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1358180243, now seen corresponding path program 1 times [2022-11-23 15:05:58,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:58,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538259126] [2022-11-23 15:05:58,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:58,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 15:06:00,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:00,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538259126] [2022-11-23 15:06:00,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538259126] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:06:00,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548555693] [2022-11-23 15:06:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:00,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:00,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:00,099 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:00,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 15:06:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:00,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-23 15:06:00,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:00,577 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:06:00,659 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:06:00,660 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 11 treesize of output 11 [2022-11-23 15:06:00,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:00,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:00,769 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 23 treesize of output 22 [2022-11-23 15:06:00,778 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 23 treesize of output 22 [2022-11-23 15:06:00,815 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:06:00,815 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 54 treesize of output 53 [2022-11-23 15:06:00,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2022-11-23 15:06:01,052 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 31 treesize of output 19 [2022-11-23 15:06:01,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 26 treesize of output 14 [2022-11-23 15:06:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:06:01,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:06:01,291 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:01,292 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 49 treesize of output 53 [2022-11-23 15:06:01,333 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (forall ((v_prenex_1 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_prenex_1) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))) (forall ((v_ArrVal_3388 (Array Int Int))) (< (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3388) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 9))) (forall ((v_ArrVal_3389 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3389) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) |c_ULTIMATE.start_dll_create_~head~0#1.base|)))) is different from false [2022-11-23 15:06:01,363 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|)) (.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (forall ((v_prenex_1 (Array Int Int)) (v_ArrVal_3384 Int)) (<= 0 (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store .cse0 .cse1 v_ArrVal_3384)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_prenex_1) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) 4))) (forall ((v_ArrVal_3389 (Array Int Int)) (v_ArrVal_3386 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_3386)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3389) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (forall ((v_ArrVal_3388 (Array Int Int)) (v_ArrVal_3384 Int)) (< (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store .cse0 .cse1 v_ArrVal_3384)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3388) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 9))))) is different from false [2022-11-23 15:06:01,378 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:01,379 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 2 case distinctions, treesize of input 29 treesize of output 35 [2022-11-23 15:06:01,382 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 40 treesize of output 28 [2022-11-23 15:06:01,387 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 [2022-11-23 15:06:01,398 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:01,398 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 29 treesize of output 35 [2022-11-23 15:06:01,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:01,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2022-11-23 15:06:01,411 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-23 15:06:01,412 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 27 treesize of output 1 [2022-11-23 15:06:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-11-23 15:06:01,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548555693] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:06:01,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2005589977] [2022-11-23 15:06:01,631 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-23 15:06:01,631 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:06:01,632 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:06:01,632 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:06:01,632 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:06:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,656 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 [2022-11-23 15:06:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,677 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 26 treesize of output 28 [2022-11-23 15:06:01,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:01,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:06:01,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:01,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:01,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:06:01,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:01,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:01,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:06:01,839 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 23 treesize of output 22 [2022-11-23 15:06:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:06:01,880 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 23 treesize of output 22 [2022-11-23 15:06:01,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,936 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 29 treesize of output 35 [2022-11-23 15:06:01,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:06:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:06:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:01,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:06:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:02,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:06:02,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-11-23 15:06:02,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:02,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:02,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,227 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:02,227 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 1 case distinctions, treesize of input 348 treesize of output 350 [2022-11-23 15:06:02,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,269 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:02,269 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 2 case distinctions, treesize of input 348 treesize of output 350 [2022-11-23 15:06:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,331 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:02,332 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 354 treesize of output 335 [2022-11-23 15:06:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,433 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:06:02,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 357 treesize of output 362 [2022-11-23 15:06:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,482 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:02,482 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 354 treesize of output 335 [2022-11-23 15:06:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,523 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:06:02,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 357 treesize of output 362 [2022-11-23 15:06:02,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,631 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:06:02,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 366 treesize of output 365 [2022-11-23 15:06:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:02,676 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:02,676 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 348 treesize of output 329 [2022-11-23 15:06:02,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:02,706 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:06:02,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 360 treesize of output 359 [2022-11-23 15:06:02,977 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:06:02,977 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 537 treesize of output 538 [2022-11-23 15:06:03,205 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:06:03,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-11-23 15:06:03,266 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:06:03,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-11-23 15:06:03,321 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:06:03,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 579 treesize of output 564 [2022-11-23 15:06:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:03,586 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:06:03,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-11-23 15:06:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,652 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:06:03,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:06:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,710 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:06:03,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:06:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,863 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:06:03,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:06:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:03,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,002 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:06:04,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-11-23 15:06:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,061 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:06:04,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:06:04,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:04,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:04,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:04,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:04,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,197 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:06:04,197 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:06:04,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,223 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:04,224 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:06:04,239 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 [2022-11-23 15:06:04,244 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 [2022-11-23 15:06:04,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:04,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:04,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:06:04,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,288 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 21 treesize of output 20 [2022-11-23 15:06:04,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:06:04,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:04,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:04,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:04,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:04,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,388 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:06:04,388 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:06:04,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,407 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:04,407 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:06:04,710 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 [2022-11-23 15:06:04,716 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 [2022-11-23 15:06:04,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:04,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,788 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:06:04,789 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:06:04,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:04,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:04,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:04,921 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:06:04,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:06:04,952 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:06:08,593 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6496#(and (or (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (not (<= 0 (+ |ULTIMATE.start_main_~head~1#1.offset| 4)))) (<= |ULTIMATE.start_dll_create_#res#1.offset| 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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-11-23 15:06:08,593 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:06:08,594 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:06:08,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 29 [2022-11-23 15:06:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104240711] [2022-11-23 15:06:08,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:06:08,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-23 15:06:08,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-23 15:06:08,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1783, Unknown=2, NotChecked=174, Total=2162 [2022-11-23 15:06:08,596 INFO L87 Difference]: Start difference. First operand 103 states and 113 transitions. Second operand has 30 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 30 states have internal predecessors, (117), 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) [2022-11-23 15:06:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:10,403 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2022-11-23 15:06:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:06:10,403 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 30 states have internal predecessors, (117), 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 62 [2022-11-23 15:06:10,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:10,404 INFO L225 Difference]: With dead ends: 148 [2022-11-23 15:06:10,405 INFO L226 Difference]: Without dead ends: 148 [2022-11-23 15:06:10,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 149 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 2 DeprecatedPredicates, 981 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=472, Invalid=2840, Unknown=2, NotChecked=226, Total=3540 [2022-11-23 15:06:10,407 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 881 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 233 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:10,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 225 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 574 Invalid, 0 Unknown, 233 Unchecked, 0.6s Time] [2022-11-23 15:06:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-23 15:06:10,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2022-11-23 15:06:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 118 states have internal predecessors, (135), 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) [2022-11-23 15:06:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 135 transitions. [2022-11-23 15:06:10,412 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 135 transitions. Word has length 62 [2022-11-23 15:06:10,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:10,412 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 135 transitions. [2022-11-23 15:06:10,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 30 states have internal predecessors, (117), 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) [2022-11-23 15:06:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2022-11-23 15:06:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:06:10,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:10,414 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:06:10,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:10,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-23 15:06:10,622 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:06:10,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:10,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1339279038, now seen corresponding path program 1 times [2022-11-23 15:06:10,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:10,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033167407] [2022-11-23 15:06:10,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:10,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-23 15:06:10,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:10,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033167407] [2022-11-23 15:06:10,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033167407] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:06:10,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967457528] [2022-11-23 15:06:10,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:10,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:10,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:10,952 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:10,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 15:06:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:11,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 15:06:11,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:11,455 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 31 treesize of output 19 [2022-11-23 15:06:11,457 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 25 treesize of output 13 [2022-11-23 15:06:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-23 15:06:11,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:06:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-23 15:06:11,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967457528] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:06:11,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1234924785] [2022-11-23 15:06:11,557 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-23 15:06:11,557 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:06:11,558 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:06:11,558 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:06:11,559 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:06:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,584 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 [2022-11-23 15:06:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,610 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 26 treesize of output 28 [2022-11-23 15:06:11,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:11,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:11,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:06:11,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:11,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:06:11,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:06:11,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:11,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:11,779 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 23 treesize of output 22 [2022-11-23 15:06:11,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:06:11,812 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 23 treesize of output 22 [2022-11-23 15:06:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,863 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 29 treesize of output 35 [2022-11-23 15:06:11,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:06:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:06:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:06:11,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:06:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:11,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-11-23 15:06:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,189 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:12,189 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 354 treesize of output 335 [2022-11-23 15:06:12,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,225 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:12,226 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 2 case distinctions, treesize of input 348 treesize of output 350 [2022-11-23 15:06:12,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,262 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:12,263 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 1 case distinctions, treesize of input 348 treesize of output 350 [2022-11-23 15:06:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,396 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:06:12,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 357 treesize of output 362 [2022-11-23 15:06:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,456 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:12,457 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 354 treesize of output 335 [2022-11-23 15:06:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,495 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:06:12,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 357 treesize of output 362 [2022-11-23 15:06:12,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,636 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:06:12,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 366 treesize of output 365 [2022-11-23 15:06:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,684 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-23 15:06:12,684 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 348 treesize of output 329 [2022-11-23 15:06:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:12,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 359 [2022-11-23 15:06:13,029 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:06:13,030 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 537 treesize of output 538 [2022-11-23 15:06:13,313 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:06:13,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-11-23 15:06:13,390 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:06:13,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-11-23 15:06:13,451 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:06:13,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 579 treesize of output 564 [2022-11-23 15:06:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,638 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:06:13,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:06:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:13,786 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:06:13,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-11-23 15:06:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,861 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:06:13,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:06:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:13,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:13,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:14,107 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:06:14,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-11-23 15:06:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,176 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:06:14,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 583 treesize of output 564 [2022-11-23 15:06:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,233 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:06:14,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-11-23 15:06:14,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:14,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:14,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:14,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:14,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:14,380 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:06:14,380 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:06:14,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:14,401 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:14,402 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:06:14,430 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 [2022-11-23 15:06:14,436 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 [2022-11-23 15:06:14,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:14,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:06:14,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,471 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 21 treesize of output 20 [2022-11-23 15:06:14,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:14,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:06:14,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:14,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:14,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:14,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:14,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:14,605 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:06:14,605 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:06:14,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:14,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:14,634 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:14,635 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:06:14,896 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 [2022-11-23 15:06:14,902 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 [2022-11-23 15:06:14,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:14,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:14,966 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:06:14,967 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:06:15,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:15,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:15,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:15,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:15,092 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:06:15,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:06:15,124 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:06:17,665 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7202#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= 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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-11-23 15:06:17,666 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:06:17,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:06:17,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2022-11-23 15:06:17,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491581402] [2022-11-23 15:06:17,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:06:17,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:06:17,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:17,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:06:17,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2022-11-23 15:06:17,668 INFO L87 Difference]: Start difference. First operand 119 states and 135 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2022-11-23 15:06:17,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:17,865 INFO L93 Difference]: Finished difference Result 122 states and 134 transitions. [2022-11-23 15:06:17,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:06:17,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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 65 [2022-11-23 15:06:17,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:17,867 INFO L225 Difference]: With dead ends: 122 [2022-11-23 15:06:17,867 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 15:06:17,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 172 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2022-11-23 15:06:17,868 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 112 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:17,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 72 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:06:17,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 15:06:17,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2022-11-23 15:06:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2666666666666666) internal successors, (133), 118 states have internal predecessors, (133), 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) [2022-11-23 15:06:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2022-11-23 15:06:17,880 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 65 [2022-11-23 15:06:17,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:17,880 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2022-11-23 15:06:17,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2022-11-23 15:06:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2022-11-23 15:06:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-23 15:06:17,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:17,882 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:06:17,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:18,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-23 15:06:18,089 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:06:18,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1958794228, now seen corresponding path program 1 times [2022-11-23 15:06:18,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:18,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719217957] [2022-11-23 15:06:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:18,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:06:20,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:20,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719217957] [2022-11-23 15:06:20,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719217957] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:06:20,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258363006] [2022-11-23 15:06:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:20,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:20,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:20,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:20,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 15:06:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:20,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-23 15:06:20,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:20,630 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:06:20,661 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:06:20,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:06:20,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:06:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:20,752 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 21 treesize of output 20 [2022-11-23 15:06:20,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:20,785 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 21 treesize of output 20 [2022-11-23 15:06:20,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:20,797 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 21 treesize of output 20 [2022-11-23 15:06:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:20,832 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 21 treesize of output 20 [2022-11-23 15:06:20,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:20,968 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-23 15:06:20,969 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 16 treesize of output 18 [2022-11-23 15:06:20,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:21,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:21,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:21,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:21,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:21,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:21,112 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 23 treesize of output 22 [2022-11-23 15:06:21,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:21,126 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 23 treesize of output 22 [2022-11-23 15:06:21,163 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:06:21,163 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 79 treesize of output 74 [2022-11-23 15:06:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:21,171 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 45 treesize of output 38 [2022-11-23 15:06:21,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 15:06:21,378 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 27 treesize of output 15 [2022-11-23 15:06:21,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-23 15:06:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 73 proven. 24 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:06:21,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:06:21,575 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4153 (Array Int Int)) (v_ArrVal_4155 (Array Int Int)) (v_ArrVal_4157 Int)) (= (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4157)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4155) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4153) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0))) 0)) is different from false [2022-11-23 15:06:21,591 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4152 (Array Int Int)) (v_ArrVal_4150 Int) (v_ArrVal_4153 (Array Int Int)) (v_ArrVal_4155 (Array Int Int)) (v_ArrVal_4148 Int) (v_ArrVal_4157 Int)) (= (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4152))) (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4157))) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4150)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4155) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4148)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4153) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) 0)) is different from false [2022-11-23 15:06:21,605 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:21,606 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 2 case distinctions, treesize of input 71 treesize of output 77 [2022-11-23 15:06:21,610 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 124 treesize of output 112 [2022-11-23 15:06:21,617 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 55 treesize of output 51 [2022-11-23 15:06:21,626 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:21,627 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 2 case distinctions, treesize of input 96 treesize of output 86 [2022-11-23 15:06:21,631 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 136 treesize of output 118 [2022-11-23 15:06:21,635 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 109 treesize of output 101 [2022-11-23 15:06:22,191 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4152 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| Int) (v_ArrVal_4136 Int) (v_ArrVal_4139 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_4136)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4139) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| v_ArrVal_4152) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87|) 0)))) is different from false [2022-11-23 15:06:22,279 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4152 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| Int) (v_ArrVal_4139 (Array Int Int)) (v_ArrVal_4133 Int)) (or (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_4133)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4139) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| v_ArrVal_4152) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87|) 0)))) is different from false [2022-11-23 15:06:22,297 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4152 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| Int) (v_ArrVal_4139 (Array Int Int)) (v_ArrVal_4133 Int) (v_ArrVal_4130 Int)) (or (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_4130) (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_4133)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4139) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| v_ArrVal_4152) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87|) 0)))) is different from false [2022-11-23 15:06:22,312 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:22,313 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 3 case distinctions, treesize of input 31 treesize of output 42 [2022-11-23 15:06:22,317 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 60 treesize of output 52 [2022-11-23 15:06:22,322 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 40 treesize of output 36 [2022-11-23 15:06:22,326 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 22 treesize of output 20 [2022-11-23 15:06:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 70 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 11 not checked. [2022-11-23 15:06:22,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258363006] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:06:22,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1899398753] [2022-11-23 15:06:22,557 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-23 15:06:22,557 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:06:22,558 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:06:22,558 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:06:22,558 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:06:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,583 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 [2022-11-23 15:06:22,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,616 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 26 treesize of output 28 [2022-11-23 15:06:22,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:06:22,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:22,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:22,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:06:22,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:22,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:22,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:06:22,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:22,765 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 23 treesize of output 22 [2022-11-23 15:06:22,782 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 23 treesize of output 22 [2022-11-23 15:06:22,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:06:22,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,856 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 29 treesize of output 35 [2022-11-23 15:06:22,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:06:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-11-23 15:06:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-23 15:06:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-11-23 15:06:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:23,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:23,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-11-23 15:06:23,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-11-23 15:06:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,126 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:23,127 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 357 treesize of output 338 [2022-11-23 15:06:23,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,156 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:23,156 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 1 case distinctions, treesize of input 351 treesize of output 353 [2022-11-23 15:06:23,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,187 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:23,187 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 2 case distinctions, treesize of input 351 treesize of output 353 [2022-11-23 15:06:23,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,285 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:23,285 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 357 treesize of output 338 [2022-11-23 15:06:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,321 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:06:23,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 360 treesize of output 365 [2022-11-23 15:06:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,358 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 15:06:23,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 365 [2022-11-23 15:06:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,500 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:06:23,501 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 357 treesize of output 338 [2022-11-23 15:06:23,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:23,544 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:06:23,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 369 treesize of output 368 [2022-11-23 15:06:23,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:23,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 362 [2022-11-23 15:06:23,899 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:06:23,899 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 583 treesize of output 576 [2022-11-23 15:06:24,065 INFO L321 Elim1Store]: treesize reduction 248, result has 16.5 percent of original size [2022-11-23 15:06:24,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 625 treesize of output 517 [2022-11-23 15:06:24,248 INFO L321 Elim1Store]: treesize reduction 752, result has 11.1 percent of original size [2022-11-23 15:06:24,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 621 treesize of output 617 [2022-11-23 15:06:24,325 INFO L321 Elim1Store]: treesize reduction 248, result has 15.4 percent of original size [2022-11-23 15:06:24,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 625 treesize of output 568 [2022-11-23 15:06:24,469 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-11-23 15:06:24,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 517 [2022-11-23 15:06:24,551 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-11-23 15:06:24,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 568 [2022-11-23 15:06:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:24,735 INFO L321 Elim1Store]: treesize reduction 860, result has 9.2 percent of original size [2022-11-23 15:06:24,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 630 treesize of output 629 [2022-11-23 15:06:24,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:24,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:24,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:25,022 INFO L321 Elim1Store]: treesize reduction 976, result has 8.2 percent of original size [2022-11-23 15:06:25,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 639 treesize of output 641 [2022-11-23 15:06:25,116 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-11-23 15:06:25,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 517 [2022-11-23 15:06:25,211 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-11-23 15:06:25,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 568 [2022-11-23 15:06:25,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:25,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:25,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:25,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:25,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:25,340 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:06:25,341 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:06:25,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:25,374 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:25,374 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:06:25,392 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 [2022-11-23 15:06:25,398 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 [2022-11-23 15:06:25,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:25,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:06:25,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:25,441 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 21 treesize of output 20 [2022-11-23 15:06:25,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:25,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:06:25,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:25,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:25,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:25,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:06:25,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:25,550 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:06:25,551 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:06:25,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:25,573 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:06:25,573 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:06:25,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:25,936 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 [2022-11-23 15:06:25,943 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 [2022-11-23 15:06:25,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:25,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:06:25,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:26,012 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:06:26,012 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:06:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:06:26,123 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:06:26,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:06:26,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:26,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:06:26,195 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:06:30,325 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7919#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-11-23 15:06:30,325 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:06:30,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:06:30,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 19] total 42 [2022-11-23 15:06:30,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470705790] [2022-11-23 15:06:30,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:06:30,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-23 15:06:30,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-23 15:06:30,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2308, Unknown=8, NotChecked=510, Total=3080 [2022-11-23 15:06:30,328 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand has 42 states, 42 states have (on average 3.380952380952381) internal successors, (142), 42 states have internal predecessors, (142), 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) [2022-11-23 15:06:35,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:06:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:38,643 INFO L93 Difference]: Finished difference Result 144 states and 158 transitions. [2022-11-23 15:06:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:06:38,644 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 3.380952380952381) internal successors, (142), 42 states have internal predecessors, (142), 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 69 [2022-11-23 15:06:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:38,645 INFO L225 Difference]: With dead ends: 144 [2022-11-23 15:06:38,645 INFO L226 Difference]: Without dead ends: 144 [2022-11-23 15:06:38,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 167 SyntacticMatches, 21 SemanticMatches, 70 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1837 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=643, Invalid=3791, Unknown=8, NotChecked=670, Total=5112 [2022-11-23 15:06:38,648 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 487 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 44 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 526 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:38,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 378 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 685 Invalid, 7 Unknown, 526 Unchecked, 3.8s Time] [2022-11-23 15:06:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-23 15:06:38,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 119. [2022-11-23 15:06:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 118 states have internal predecessors, (132), 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) [2022-11-23 15:06:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 132 transitions. [2022-11-23 15:06:38,657 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 132 transitions. Word has length 69 [2022-11-23 15:06:38,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:38,658 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 132 transitions. [2022-11-23 15:06:38,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.380952380952381) internal successors, (142), 42 states have internal predecessors, (142), 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) [2022-11-23 15:06:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2022-11-23 15:06:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 15:06:38,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:38,664 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:06:38,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:38,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:38,875 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:06:38,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash 728735727, now seen corresponding path program 1 times [2022-11-23 15:06:38,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:38,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447885972] [2022-11-23 15:06:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:38,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 65 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:06:41,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447885972] [2022-11-23 15:06:41,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447885972] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:06:41,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963653080] [2022-11-23 15:06:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:41,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:41,779 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:41,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 15:06:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:42,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-23 15:06:42,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:42,334 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:06:42,391 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:06:42,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:06:42,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:42,564 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 23 treesize of output 22 [2022-11-23 15:06:42,587 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 23 treesize of output 22 [2022-11-23 15:06:42,613 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 23 treesize of output 22 [2022-11-23 15:06:42,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 15:06:42,819 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-23 15:06:42,820 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 16 treesize of output 18 [2022-11-23 15:06:42,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:42,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:42,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:42,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:42,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:42,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:06:43,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:06:43,016 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 23 treesize of output 22 [2022-11-23 15:06:43,027 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 23 treesize of output 22 [2022-11-23 15:06:43,075 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:06:43,075 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 79 treesize of output 74 [2022-11-23 15:06:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:43,083 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 45 treesize of output 38 [2022-11-23 15:06:43,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 15:06:43,360 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 27 treesize of output 15 [2022-11-23 15:06:43,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-23 15:06:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:06:43,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:06:43,744 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4551 (Array Int Int)) (v_ArrVal_4555 (Array Int Int)) (v_ArrVal_4554 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4551) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1))) (or (<= (+ .cse0 1) 0) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4554)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4555) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1)) (+ 8 .cse0)) 0))))) is different from false [2022-11-23 15:06:43,779 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4550 (Array Int Int)) (v_ArrVal_4551 (Array Int Int)) (v_ArrVal_4547 Int) (v_ArrVal_4555 (Array Int Int)) (v_ArrVal_4546 Int) (v_ArrVal_4554 Int)) (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse3 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4546)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4551) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4550))) (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4554))) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4547)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4555) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (+ .cse3 8)) 0) (<= (+ .cse3 1) 0))))) is different from false [2022-11-23 15:06:43,806 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:43,807 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 73 treesize of output 79 [2022-11-23 15:06:43,817 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 128 treesize of output 116 [2022-11-23 15:06:43,826 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 57 treesize of output 53 [2022-11-23 15:06:43,839 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:43,840 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 2 case distinctions, treesize of input 129 treesize of output 104 [2022-11-23 15:06:43,846 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 173 treesize of output 149 [2022-11-23 15:06:43,853 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 130 treesize of output 118 [2022-11-23 15:06:58,822 WARN L233 SmtUtils]: Spent 14.29s on a formula simplification. DAG size of input: 66 DAG size of output: 44 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:06:59,147 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:06:59,147 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 1 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:07:00,338 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:00,339 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 4 case distinctions, treesize of input 248 treesize of output 138 [2022-11-23 15:07:00,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:00,363 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:00,364 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 969 treesize of output 927 [2022-11-23 15:07:00,407 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:00,408 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 349 treesize of output 309 [2022-11-23 15:07:00,434 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:00,435 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 279 treesize of output 271 [2022-11-23 15:07:00,456 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 [2022-11-23 15:07:00,689 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:00,689 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 50 treesize of output 46 [2022-11-23 15:07:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 6 not checked. [2022-11-23 15:07:01,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963653080] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:07:01,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [716682031] [2022-11-23 15:07:01,059 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-23 15:07:01,059 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:07:01,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:07:01,059 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:07:01,060 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:07:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,092 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 [2022-11-23 15:07:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,116 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 26 treesize of output 28 [2022-11-23 15:07:01,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:01,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:01,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:01,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:07:01,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:01,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:01,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:07:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:07:01,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:01,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:01,286 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 23 treesize of output 22 [2022-11-23 15:07:01,296 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 23 treesize of output 22 [2022-11-23 15:07:01,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:07:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,372 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 [2022-11-23 15:07:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:07:01,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:07:01,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:07:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:07:01,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-11-23 15:07:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:01,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,713 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:07:01,713 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 345 treesize of output 326 [2022-11-23 15:07:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,748 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:07:01,749 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 1 case distinctions, treesize of input 339 treesize of output 341 [2022-11-23 15:07:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,783 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:07:01,784 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 2 case distinctions, treesize of input 339 treesize of output 341 [2022-11-23 15:07:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,872 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:07:01,872 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 345 treesize of output 326 [2022-11-23 15:07:01,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,910 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:07:01,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 353 [2022-11-23 15:07:01,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:01,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:01,949 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:07:01,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 353 [2022-11-23 15:07:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,079 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:07:02,079 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 345 treesize of output 326 [2022-11-23 15:07:02,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,122 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:07:02,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 357 treesize of output 358 [2022-11-23 15:07:02,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:02,161 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:07:02,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 353 treesize of output 354 [2022-11-23 15:07:02,419 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:07:02,420 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 510 treesize of output 511 [2022-11-23 15:07:02,572 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-23 15:07:02,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-11-23 15:07:02,717 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:07:02,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-11-23 15:07:02,805 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-23 15:07:02,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 552 treesize of output 537 [2022-11-23 15:07:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,970 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:07:02,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:07:02,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:02,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:03,130 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:07:03,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-11-23 15:07:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,200 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:07:03,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:07:03,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:03,455 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:07:03,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-11-23 15:07:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,542 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-11-23 15:07:03,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 556 treesize of output 537 [2022-11-23 15:07:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,618 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-11-23 15:07:03,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-11-23 15:07:03,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:03,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:03,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:03,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:03,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:03,763 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:07:03,764 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:07:03,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:03,799 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:07:03,800 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:07:03,821 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 [2022-11-23 15:07:03,837 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 [2022-11-23 15:07:03,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:03,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:07:03,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:03,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,888 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 21 treesize of output 20 [2022-11-23 15:07:03,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:03,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:07:03,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:03,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:03,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:03,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:03,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:04,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:04,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:04,028 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:07:04,028 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:07:04,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:04,062 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:07:04,063 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:07:04,428 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 [2022-11-23 15:07:04,436 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 [2022-11-23 15:07:04,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:04,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:04,524 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:07:04,524 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:07:04,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:04,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:04,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:04,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:04,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:04,675 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:07:04,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 284 treesize of output 285 [2022-11-23 15:07:04,715 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:07:10,419 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8696#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-11-23 15:07:10,420 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:07:10,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:07:10,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 21] total 44 [2022-11-23 15:07:10,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238254771] [2022-11-23 15:07:10,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:07:10,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-23 15:07:10,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:07:10,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-23 15:07:10,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=2992, Unknown=28, NotChecked=226, Total=3540 [2022-11-23 15:07:10,423 INFO L87 Difference]: Start difference. First operand 119 states and 132 transitions. Second operand has 44 states, 44 states have (on average 3.2954545454545454) internal successors, (145), 44 states have internal predecessors, (145), 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) [2022-11-23 15:07:15,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 15:07:17,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 15:07:19,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 15:07:21,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:07:23,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 15:07:28,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:07:28,539 INFO L93 Difference]: Finished difference Result 144 states and 157 transitions. [2022-11-23 15:07:28,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 15:07:28,540 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 3.2954545454545454) internal successors, (145), 44 states have internal predecessors, (145), 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 70 [2022-11-23 15:07:28,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:07:28,541 INFO L225 Difference]: With dead ends: 144 [2022-11-23 15:07:28,541 INFO L226 Difference]: Without dead ends: 144 [2022-11-23 15:07:28,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 169 SyntacticMatches, 13 SemanticMatches, 78 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2243 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=822, Invalid=5164, Unknown=28, NotChecked=306, Total=6320 [2022-11-23 15:07:28,544 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 772 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 52 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:07:28,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 530 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 877 Invalid, 12 Unknown, 150 Unchecked, 11.7s Time] [2022-11-23 15:07:28,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-23 15:07:28,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 119. [2022-11-23 15:07:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2476190476190476) internal successors, (131), 118 states have internal predecessors, (131), 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) [2022-11-23 15:07:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2022-11-23 15:07:28,548 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 70 [2022-11-23 15:07:28,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:07:28,548 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2022-11-23 15:07:28,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.2954545454545454) internal successors, (145), 44 states have internal predecessors, (145), 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) [2022-11-23 15:07:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2022-11-23 15:07:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-23 15:07:28,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:07:28,550 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:07:28,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 15:07:28,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:07:28,751 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:07:28,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:07:28,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1806236114, now seen corresponding path program 1 times [2022-11-23 15:07:28,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:07:28,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782285354] [2022-11-23 15:07:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:28,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:07:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:07:31,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:07:31,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782285354] [2022-11-23 15:07:31,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782285354] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:07:31,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813372540] [2022-11-23 15:07:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:31,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:07:31,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:07:31,243 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:07:31,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-23 15:07:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:31,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-23 15:07:31,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:07:31,761 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 [2022-11-23 15:07:31,882 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:07:31,883 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:07:32,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:32,091 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 23 treesize of output 22 [2022-11-23 15:07:32,136 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:07:32,136 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 44 treesize of output 43 [2022-11-23 15:07:32,282 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-23 15:07:32,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 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 [2022-11-23 15:07:32,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-23 15:07:32,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-23 15:07:32,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-23 15:07:32,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-23 15:07:32,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:32,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:32,566 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:07:32,566 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 1 case distinctions, treesize of input 47 treesize of output 41 [2022-11-23 15:07:32,587 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 23 treesize of output 22 [2022-11-23 15:07:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:32,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:32,634 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:07:32,635 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 1 case distinctions, treesize of input 92 treesize of output 53 [2022-11-23 15:07:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:32,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2022-11-23 15:07:33,118 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 32 treesize of output 20 [2022-11-23 15:07:33,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:33,238 INFO L321 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-11-23 15:07:33,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 29 [2022-11-23 15:07:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:07:33,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:07:33,662 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4943 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4943) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1))) (or (not (= (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1))) (+ .cse2 4)) 0)) (not (<= 0 .cse2)))))) is different from false [2022-11-23 15:07:33,690 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4940 Int) (v_ArrVal_4943 (Array Int Int)) (v_ArrVal_4939 Int)) (let ((.cse4 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse4 v_ArrVal_4939)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4943) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) (or (not (<= 0 .cse0)) (not (= (select (let ((.cse1 (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse4 v_ArrVal_4940)))) (store .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))))) (select .cse1 (select (select .cse1 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) (+ .cse0 4)) 0)))))) is different from false [2022-11-23 15:07:33,711 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:33,712 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 2 case distinctions, treesize of input 149 treesize of output 139 [2022-11-23 15:07:33,719 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 251 treesize of output 233 [2022-11-23 15:07:33,723 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 229 treesize of output 221 [2022-11-23 15:07:33,917 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:33,917 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 88 treesize of output 65 [2022-11-23 15:07:33,936 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:33,937 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 88 treesize of output 65 [2022-11-23 15:07:34,273 INFO L321 Elim1Store]: treesize reduction 33, result has 53.5 percent of original size [2022-11-23 15:07:34,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 67 treesize of output 91 [2022-11-23 15:07:34,304 INFO L321 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2022-11-23 15:07:34,305 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 74 treesize of output 70 [2022-11-23 15:07:35,019 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:35,020 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 118 treesize of output 79 [2022-11-23 15:07:35,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:35,030 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1677 treesize of output 1407 [2022-11-23 15:07:35,055 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:35,056 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 1409 treesize of output 1063 [2022-11-23 15:07:35,070 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 174 treesize of output 158 [2022-11-23 15:07:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 6 not checked. [2022-11-23 15:07:35,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813372540] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:07:35,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1649521493] [2022-11-23 15:07:35,589 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-23 15:07:35,590 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:07:35,591 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:07:35,591 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:07:35,591 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:07:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,628 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 [2022-11-23 15:07:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,654 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 26 treesize of output 28 [2022-11-23 15:07:35,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:35,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:35,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:35,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:07:35,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:35,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:07:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:07:35,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:35,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:35,840 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 23 treesize of output 22 [2022-11-23 15:07:35,851 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 23 treesize of output 22 [2022-11-23 15:07:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:07:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,936 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 [2022-11-23 15:07:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:35,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:07:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:07:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:07:36,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:36,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:07:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:36,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-11-23 15:07:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:07:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,252 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:07:36,252 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 2 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:07:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,307 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:07:36,307 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 1 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:07:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,359 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:07:36,360 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 342 treesize of output 323 [2022-11-23 15:07:36,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,479 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:07:36,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:07:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,530 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:07:36,530 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 342 treesize of output 323 [2022-11-23 15:07:36,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,572 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:07:36,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:07:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:36,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,713 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:07:36,714 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 342 treesize of output 323 [2022-11-23 15:07:36,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,761 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:07:36,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-11-23 15:07:36,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:36,810 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:07:36,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 350 treesize of output 351 [2022-11-23 15:07:37,153 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:07:37,154 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 572 treesize of output 565 [2022-11-23 15:07:37,396 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-23 15:07:37,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 494 [2022-11-23 15:07:37,543 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:07:37,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 610 treesize of output 606 [2022-11-23 15:07:37,621 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-11-23 15:07:37,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 584 [2022-11-23 15:07:37,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:37,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:37,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:37,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:37,871 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:07:37,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 619 treesize of output 618 [2022-11-23 15:07:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:37,966 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-11-23 15:07:37,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-11-23 15:07:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,048 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-11-23 15:07:38,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-11-23 15:07:38,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,208 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-11-23 15:07:38,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-11-23 15:07:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,299 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-11-23 15:07:38,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-11-23 15:07:38,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:38,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:38,467 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:07:38,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 628 treesize of output 630 [2022-11-23 15:07:38,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:38,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:38,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:38,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:38,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:38,645 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:07:38,645 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:07:38,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:38,671 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:07:38,671 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:07:38,690 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 [2022-11-23 15:07:38,696 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 [2022-11-23 15:07:38,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:38,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:07:38,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:38,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,742 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 21 treesize of output 20 [2022-11-23 15:07:38,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:38,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:07:38,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:38,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:38,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:38,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:38,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:07:38,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:38,865 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:07:38,866 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:07:38,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:38,894 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:07:38,895 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:07:38,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:39,182 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 [2022-11-23 15:07:39,188 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 [2022-11-23 15:07:39,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:39,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:07:39,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:39,279 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:07:39,279 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:07:39,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:39,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:07:39,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:07:39,346 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:07:39,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 162 treesize of output 167 [2022-11-23 15:07:39,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:07:39,390 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:07:46,166 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9485#(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))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 16) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 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$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$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) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-23 15:07:46,166 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:07:46,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:07:46,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 19] total 46 [2022-11-23 15:07:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904300514] [2022-11-23 15:07:46,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:07:46,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-23 15:07:46,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:07:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-23 15:07:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=3993, Unknown=7, NotChecked=258, Total=4556 [2022-11-23 15:07:46,170 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand has 46 states, 46 states have (on average 3.5434782608695654) internal successors, (163), 46 states have internal predecessors, (163), 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) [2022-11-23 15:07:52,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:07:52,420 INFO L93 Difference]: Finished difference Result 131 states and 140 transitions. [2022-11-23 15:07:52,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-23 15:07:52,421 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.5434782608695654) internal successors, (163), 46 states have internal predecessors, (163), 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 71 [2022-11-23 15:07:52,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:07:52,422 INFO L225 Difference]: With dead ends: 131 [2022-11-23 15:07:52,422 INFO L226 Difference]: Without dead ends: 131 [2022-11-23 15:07:52,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 90 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2364 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=921, Invalid=7090, Unknown=7, NotChecked=354, Total=8372 [2022-11-23 15:07:52,426 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1033 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 190 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:07:52,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 479 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1036 Invalid, 0 Unknown, 190 Unchecked, 1.7s Time] [2022-11-23 15:07:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-11-23 15:07:52,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 109. [2022-11-23 15:07:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.231578947368421) internal successors, (117), 108 states have internal predecessors, (117), 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) [2022-11-23 15:07:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 117 transitions. [2022-11-23 15:07:52,430 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 117 transitions. Word has length 71 [2022-11-23 15:07:52,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:07:52,431 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 117 transitions. [2022-11-23 15:07:52,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.5434782608695654) internal successors, (163), 46 states have internal predecessors, (163), 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) [2022-11-23 15:07:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions. [2022-11-23 15:07:52,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-23 15:07:52,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:07:52,433 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:07:52,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-23 15:07:52,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:07:52,642 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:07:52,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:07:52,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1116096108, now seen corresponding path program 1 times [2022-11-23 15:07:52,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:07:52,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851392512] [2022-11-23 15:07:52,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:52,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:07:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 64 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:07:55,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:07:55,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851392512] [2022-11-23 15:07:55,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851392512] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:07:55,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910714398] [2022-11-23 15:07:55,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:55,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:07:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:07:55,220 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:07:55,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-23 15:07:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:55,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-23 15:07:55,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:07:55,851 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:07:55,910 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:07:55,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:07:56,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:56,097 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 23 treesize of output 22 [2022-11-23 15:07:56,120 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 23 treesize of output 22 [2022-11-23 15:07:56,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 15:07:56,310 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-23 15:07:56,311 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 16 treesize of output 18 [2022-11-23 15:07:56,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:07:56,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:07:56,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:07:56,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:56,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:07:56,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:07:56,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 15:07:56,483 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 23 treesize of output 22 [2022-11-23 15:07:56,495 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 23 treesize of output 22 [2022-11-23 15:07:56,539 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:07:56,540 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 66 [2022-11-23 15:07:56,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 15:07:56,554 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 37 treesize of output 30 [2022-11-23 15:07:56,817 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 27 treesize of output 15 [2022-11-23 15:07:56,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-23 15:07:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:07:56,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:07:59,455 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:59,456 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 73 treesize of output 79 [2022-11-23 15:07:59,461 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 128 treesize of output 116 [2022-11-23 15:07:59,467 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 57 treesize of output 53 [2022-11-23 15:07:59,479 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:07:59,479 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 100 treesize of output 90 [2022-11-23 15:07:59,483 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 144 treesize of output 126 [2022-11-23 15:07:59,488 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 117 treesize of output 109 [2022-11-23 15:08:18,272 WARN L233 SmtUtils]: Spent 18.43s on a formula simplification. DAG size of input: 53 DAG size of output: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:08:18,426 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:18,427 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 1 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:08:19,266 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5319 Int) (v_ArrVal_5323 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_108| Int) (v_arrayElimCell_2568 Int) (v_ArrVal_5337 (Array Int Int)) (v_ArrVal_5322 Int) (v_ArrVal_5342 Int) (v_arrayElimCell_2570 Int)) (let ((.cse4 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4) v_ArrVal_5319) .cse4 v_ArrVal_5322)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5323) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_108| v_ArrVal_5337))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) (let ((.cse0 (store .cse3 .cse4 v_ArrVal_5342)) (.cse1 (+ 16 v_arrayElimCell_2570))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_108|) 0)) (= (select .cse0 .cse1) 0) (= (select (select (store .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base| .cse0) v_arrayElimCell_2568) .cse1) 0) (= 0 (select .cse3 (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))))))))) is different from false [2022-11-23 15:08:19,292 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:19,292 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 3 case distinctions, treesize of input 147 treesize of output 97 [2022-11-23 15:08:19,314 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:19,315 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 1734 treesize of output 1700 [2022-11-23 15:08:19,357 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:19,358 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 1820 treesize of output 1716 [2022-11-23 15:08:19,402 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:19,403 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 1992 treesize of output 1840 [2022-11-23 15:08:19,683 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:19,683 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 799 treesize of output 767 [2022-11-23 15:08:21,887 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:21,888 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 1187 treesize of output 1159 [2022-11-23 15:08:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 68 proven. 28 refuted. 1 times theorem prover too weak. 11 trivial. 2 not checked. [2022-11-23 15:08:24,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910714398] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:08:24,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [30439918] [2022-11-23 15:08:24,425 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-23 15:08:24,425 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:08:24,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:08:24,426 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:08:24,426 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:08:24,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,456 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 [2022-11-23 15:08:24,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:24,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,499 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 26 treesize of output 28 [2022-11-23 15:08:24,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 15:08:24,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:24,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-23 15:08:24,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:24,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:24,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:08:24,659 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 23 treesize of output 22 [2022-11-23 15:08:24,676 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 23 treesize of output 22 [2022-11-23 15:08:24,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 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 [2022-11-23 15:08:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,757 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 [2022-11-23 15:08:24,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:08:24,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-23 15:08:24,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-23 15:08:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:08:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-11-23 15:08:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:08:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-11-23 15:08:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:08:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:24,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-23 15:08:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,086 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:08:25,087 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 2 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:08:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,136 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:08:25,136 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 1 case distinctions, treesize of input 336 treesize of output 338 [2022-11-23 15:08:25,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,180 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:08:25,181 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 342 treesize of output 323 [2022-11-23 15:08:25,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,289 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:08:25,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:08:25,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,335 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:08:25,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-11-23 15:08:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,385 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:08:25,386 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 24 case distinctions, treesize of input 342 treesize of output 323 [2022-11-23 15:08:25,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,528 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 15:08:25,529 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 342 treesize of output 323 [2022-11-23 15:08:25,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,573 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-23 15:08:25,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-11-23 15:08:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:25,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:25,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 351 [2022-11-23 15:08:25,883 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 15:08:25,884 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 572 treesize of output 565 [2022-11-23 15:08:26,075 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-23 15:08:26,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 494 [2022-11-23 15:08:26,246 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-23 15:08:26,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 610 treesize of output 606 [2022-11-23 15:08:26,337 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-11-23 15:08:26,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 584 [2022-11-23 15:08:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,542 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-11-23 15:08:26,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-11-23 15:08:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:26,704 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-11-23 15:08:26,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 619 treesize of output 618 [2022-11-23 15:08:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,793 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-11-23 15:08:26,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-11-23 15:08:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,964 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-11-23 15:08:26,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-11-23 15:08:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:26,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:27,147 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-11-23 15:08:27,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 628 treesize of output 630 [2022-11-23 15:08:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:27,242 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-11-23 15:08:27,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-11-23 15:08:27,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:27,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:27,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:08:27,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:08:27,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:27,403 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:08:27,403 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:08:27,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:27,432 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:08:27,432 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:08:27,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,465 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 [2022-11-23 15:08:27,472 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 [2022-11-23 15:08:27,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:27,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:08:27,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:27,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:27,528 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 21 treesize of output 20 [2022-11-23 15:08:27,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:27,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:08:27,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:27,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:27,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:08:27,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:08:27,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:27,645 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:08:27,645 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-23 15:08:27,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:27,674 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 15:08:27,674 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-23 15:08:27,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:27,955 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 [2022-11-23 15:08:27,962 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 [2022-11-23 15:08:28,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:28,050 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:08:28,051 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 1 case distinctions, treesize of input 149 treesize of output 155 [2022-11-23 15:08:28,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:28,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:28,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:28,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:08:28,172 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 15:08:28,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 162 treesize of output 167 [2022-11-23 15:08:28,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:08:28,213 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:08:33,857 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10261#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 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) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0)) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 20) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-23 15:08:33,858 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:08:33,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:08:33,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 19] total 43 [2022-11-23 15:08:33,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430961432] [2022-11-23 15:08:33,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:08:33,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-23 15:08:33,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:33,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-23 15:08:33,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=3124, Unknown=14, NotChecked=114, Total=3540 [2022-11-23 15:08:33,861 INFO L87 Difference]: Start difference. First operand 109 states and 117 transitions. Second operand has 43 states, 43 states have (on average 3.5348837209302326) internal successors, (152), 43 states have internal predecessors, (152), 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) [2022-11-23 15:08:36,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:36,852 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2022-11-23 15:08:36,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:08:36,853 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 3.5348837209302326) internal successors, (152), 43 states have internal predecessors, (152), 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 71 [2022-11-23 15:08:36,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:36,854 INFO L225 Difference]: With dead ends: 129 [2022-11-23 15:08:36,854 INFO L226 Difference]: Without dead ends: 129 [2022-11-23 15:08:36,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 171 SyntacticMatches, 9 SemanticMatches, 74 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2167 ImplicationChecksByTransitivity, 30.2s TimeCoverageRelationStatistics Valid=697, Invalid=4843, Unknown=14, NotChecked=146, Total=5700 [2022-11-23 15:08:36,856 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 693 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 97 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:36,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 505 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 778 Invalid, 0 Unknown, 97 Unchecked, 1.1s Time] [2022-11-23 15:08:36,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-23 15:08:36,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 110. [2022-11-23 15:08:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 109 states have internal predecessors, (118), 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) [2022-11-23 15:08:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2022-11-23 15:08:36,860 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 71 [2022-11-23 15:08:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:36,860 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2022-11-23 15:08:36,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.5348837209302326) internal successors, (152), 43 states have internal predecessors, (152), 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) [2022-11-23 15:08:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-11-23 15:08:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:08:36,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:36,862 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-23 15:08:36,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-23 15:08:37,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-23 15:08:37,072 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-23 15:08:37,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash 239243391, now seen corresponding path program 2 times [2022-11-23 15:08:37,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:37,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681717848] [2022-11-23 15:08:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:08:39,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:39,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681717848] [2022-11-23 15:08:39,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681717848] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:08:39,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454718931] [2022-11-23 15:08:39,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:08:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:08:39,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:08:39,660 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:08:39,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b10a252-6dec-40c1-9d32-613941e834a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-23 15:08:40,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-23 15:08:40,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:08:40,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-23 15:08:40,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:08:40,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:40,333 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 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:08:40,363 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 15:08:40,363 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 37 treesize of output 27 [2022-11-23 15:08:40,521 INFO L321 Elim1Store]: treesize reduction 68, result has 31.3 percent of original size [2022-11-23 15:08:40,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 45 [2022-11-23 15:08:40,642 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:08:40,642 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 2 case distinctions, treesize of input 43 treesize of output 47 [2022-11-23 15:08:40,758 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:08:40,758 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 2 case distinctions, treesize of input 43 treesize of output 47 [2022-11-23 15:08:40,801 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:08:40,801 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 2 case distinctions, treesize of input 43 treesize of output 47 [2022-11-23 15:08:40,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:08:40,853 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-11-23 15:08:40,854 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 2 case distinctions, treesize of input 50 treesize of output 43 [2022-11-23 15:08:40,981 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 23 treesize of output 22 [2022-11-23 15:08:41,005 INFO L321 Elim1Store]: treesize reduction 55, result has 14.1 percent of original size [2022-11-23 15:08:41,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 55 [2022-11-23 15:08:41,152 INFO L321 Elim1Store]: treesize reduction 118, result has 21.9 percent of original size [2022-11-23 15:08:41,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 96 [2022-11-23 15:08:41,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 123 [2022-11-23 15:08:50,038 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 116 treesize of output 86 [2022-11-23 15:08:53,157 INFO L321 Elim1Store]: treesize reduction 46, result has 74.3 percent of original size [2022-11-23 15:08:53,157 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 9 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 209 [2022-11-23 15:08:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 56 proven. 20 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 15:08:54,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:08:55,022 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:08:55,023 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 2 case distinctions, treesize of input 121 treesize of output 127 [2022-11-23 15:08:55,040 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 224 treesize of output 212 [2022-11-23 15:08:55,049 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 105 treesize of output 101 [2022-11-23 15:09:03,934 WARN L233 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 50 DAG size of output: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:09:03,955 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:09:03,955 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 89 treesize of output 66 [2022-11-23 15:09:03,975 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:09:03,975 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 89 treesize of output 66 [2022-11-23 15:09:10,472 INFO L321 Elim1Store]: treesize reduction 14, result has 63.2 percent of original size [2022-11-23 15:09:10,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 70 treesize of output 75 [2022-11-23 15:09:10,535 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 15:09:10,536 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 21 treesize of output 16 [2022-11-23 15:09:31,861 WARN L233 SmtUtils]: Spent 16.22s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:10:00,697 WARN L233 SmtUtils]: Spent 24.47s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:10:00,827 INFO L321 Elim1Store]: treesize reduction 116, result has 34.5 percent of original size [2022-11-23 15:10:00,828 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 6 case distinctions, treesize of input 334 treesize of output 219 [2022-11-23 15:10:01,078 INFO L321 Elim1Store]: treesize reduction 341, result has 29.8 percent of original size [2022-11-23 15:10:01,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1093 treesize of output 1101 [2022-11-23 15:10:01,127 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:01,127 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 1132 treesize of output 984 [2022-11-23 15:10:01,331 INFO L321 Elim1Store]: treesize reduction 25, result has 81.2 percent of original size [2022-11-23 15:10:01,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1044 treesize of output 1120 [2022-11-23 15:10:01,417 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:01,417 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 951 treesize of output 933 [2022-11-23 15:10:01,767 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 [2022-11-23 15:10:01,817 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 [2022-11-23 15:10:01,891 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 [2022-11-23 15:10:05,476 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 [2022-11-23 15:10:05,545 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 [2022-11-23 15:10:05,707 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 [2022-11-23 15:10:05,782 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 [2022-11-23 15:10:09,769 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:09,770 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 116 treesize of output 118 [2022-11-23 15:10:09,907 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:09,908 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 99 treesize of output 101 [2022-11-23 15:10:10,394 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 12 treesize of output 8 [2022-11-23 15:10:10,787 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 [2022-11-23 15:10:10,813 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 [2022-11-23 15:10:11,176 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 [2022-11-23 15:10:11,192 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 [2022-11-23 15:10:11,282 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 [2022-11-23 15:10:11,299 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 [2022-11-23 15:10:11,359 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 [2022-11-23 15:10:11,378 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 [2022-11-23 15:10:11,576 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 [2022-11-23 15:10:11,594 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 [2022-11-23 15:10:11,635 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 [2022-11-23 15:10:11,653 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 [2022-11-23 15:10:12,145 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 [2022-11-23 15:10:12,169 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 [2022-11-23 15:10:15,129 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:15,130 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 2114 treesize of output 1942 [2022-11-23 15:10:17,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:17,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:17,443 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 28 treesize of output 16 [2022-11-23 15:10:17,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:17,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:17,484 INFO L321 Elim1Store]: treesize reduction 10, result has 52.4 percent of original size [2022-11-23 15:10:17,484 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 33 treesize of output 31 [2022-11-23 15:10:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:17,512 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:17,512 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 32 treesize of output 34 [2022-11-23 15:10:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:17,613 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:17,613 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 29 treesize of output 1 [2022-11-23 15:10:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:17,637 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:17,637 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 28 treesize of output 25 [2022-11-23 15:10:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:17,682 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:17,683 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 45 treesize of output 42 [2022-11-23 15:10:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:18,090 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:18,090 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 29 treesize of output 26 [2022-11-23 15:10:18,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:18,216 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:18,217 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 29 treesize of output 26 [2022-11-23 15:10:18,461 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:18,462 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 70 treesize of output 72 [2022-11-23 15:10:18,627 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:18,627 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 55 treesize of output 58 [2022-11-23 15:10:19,008 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:19,009 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 70 treesize of output 72 [2022-11-23 15:10:19,207 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:19,207 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 55 treesize of output 58 [2022-11-23 15:10:19,326 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-11-23 15:10:19,327 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 70 treesize of output 1 [2022-11-23 15:10:19,436 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:19,437 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 55 treesize of output 58 [2022-11-23 15:10:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:19,690 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:19,691 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 25 treesize of output 22 [2022-11-23 15:10:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:19,724 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:19,724 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 29 treesize of output 1 [2022-11-23 15:10:19,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:19,754 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:19,754 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 27 treesize of output 24 [2022-11-23 15:10:19,822 INFO L321 Elim1Store]: treesize reduction 5, result has 82.8 percent of original size [2022-11-23 15:10:19,822 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 67 treesize of output 74 [2022-11-23 15:10:19,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:19,928 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:19,928 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 1 [2022-11-23 15:10:19,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:19,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:19,962 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:19,962 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 1 [2022-11-23 15:10:19,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:19,984 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:19,984 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 18 [2022-11-23 15:10:20,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,315 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:20,316 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 25 treesize of output 22 [2022-11-23 15:10:20,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,346 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:20,346 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 29 treesize of output 26 [2022-11-23 15:10:20,410 INFO L321 Elim1Store]: treesize reduction 5, result has 82.8 percent of original size [2022-11-23 15:10:20,410 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 67 treesize of output 74 [2022-11-23 15:10:20,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,469 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:20,470 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 1 [2022-11-23 15:10:20,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,512 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:20,513 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 1 [2022-11-23 15:10:20,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,537 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:20,537 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 18 [2022-11-23 15:10:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,611 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 20 treesize of output 16 [2022-11-23 15:10:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:20,632 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 26 treesize of output 22 [2022-11-23 15:10:20,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:20,817 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 15:10:20,817 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 28 treesize of output 19 [2022-11-23 15:10:20,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:20,921 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 15:10:20,921 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 21 treesize of output 16 [2022-11-23 15:10:21,039 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:21,039 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 47 treesize of output 53 [2022-11-23 15:10:21,139 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:21,140 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 47 treesize of output 53 [2022-11-23 15:10:21,468 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:21,468 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 98 treesize of output 96 [2022-11-23 15:10:21,586 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:21,587 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 98 treesize of output 96 [2022-11-23 15:10:21,761 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:21,761 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 70 treesize of output 72 [2022-11-23 15:10:21,891 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:21,892 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 70 treesize of output 72 [2022-11-23 15:10:22,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:22,045 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 15:10:22,045 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 45 treesize of output 28 [2022-11-23 15:10:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:22,307 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 20 treesize of output 16 [2022-11-23 15:10:22,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:22,345 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:22,345 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 29 treesize of output 26 [2022-11-23 15:10:22,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:22,468 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 15:10:22,469 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 28 treesize of output 19 [2022-11-23 15:10:22,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:22,541 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:22,541 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 42 treesize of output 40 [2022-11-23 15:10:22,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:22,658 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:22,659 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 18 [2022-11-23 15:10:22,718 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 15:10:22,719 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 39 treesize of output 34 [2022-11-23 15:10:22,848 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:22,848 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 55 treesize of output 58 [2022-11-23 15:10:23,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,337 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:23,337 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 29 treesize of output 1 [2022-11-23 15:10:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,363 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:23,363 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 27 treesize of output 24 [2022-11-23 15:10:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,392 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:23,393 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 34 treesize of output 31 [2022-11-23 15:10:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,476 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:23,477 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 31 treesize of output 28 [2022-11-23 15:10:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,560 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 298 treesize of output 294 [2022-11-23 15:10:23,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,835 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:23,835 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 29 treesize of output 26 [2022-11-23 15:10:23,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,873 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:23,873 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 34 treesize of output 31 [2022-11-23 15:10:23,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:23,991 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:23,991 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 31 treesize of output 28 [2022-11-23 15:10:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:24,041 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 298 treesize of output 294 [2022-11-23 15:10:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:24,297 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:24,298 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 29 treesize of output 26 [2022-11-23 15:10:24,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:24,334 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:24,334 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 34 treesize of output 31 [2022-11-23 15:10:24,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:24,440 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 15:10:24,441 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 31 treesize of output 28 [2022-11-23 15:10:25,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:25,242 INFO L321 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2022-11-23 15:10:25,242 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 35 treesize of output 32 [2022-11-23 15:10:25,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:25,301 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:25,302 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 27 treesize of output 23 [2022-11-23 15:10:25,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:25,402 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:25,402 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 27 treesize of output 23 [2022-11-23 15:10:25,668 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:25,668 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 55 treesize of output 58 [2022-11-23 15:10:25,818 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:25,819 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 55 treesize of output 58 [2022-11-23 15:10:25,985 INFO L321 Elim1Store]: treesize reduction 5, result has 82.8 percent of original size [2022-11-23 15:10:25,986 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 147 treesize of output 142 [2022-11-23 15:10:26,236 INFO L321 Elim1Store]: treesize reduction 5, result has 82.8 percent of original size [2022-11-23 15:10:26,236 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 147 treesize of output 142 [2022-11-23 15:10:26,504 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:26,506 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 55 treesize of output 58 [2022-11-23 15:10:26,691 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:26,691 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 55 treesize of output 58 [2022-11-23 15:10:26,887 INFO L321 Elim1Store]: treesize reduction 13, result has 55.2 percent of original size [2022-11-23 15:10:26,888 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 55 treesize of output 58 [2022-11-23 15:10:27,009 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:27,010 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 67 treesize of output 69 [2022-11-23 15:10:27,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:10:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:27,084 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:10:27,084 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1 [2022-11-23 15:10:27,174 INFO L321 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-11-23 15:10:27,174 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 67 treesize of output 69 [2022-11-23 15:10:27,395 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 [2022-11-23 15:10:27,479 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:27,479 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 94 treesize of output 96 [2022-11-23 15:10:27,865 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:10:27,866 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 120 treesize of output 183 [2022-11-23 15:10:28,479 INFO L321 Elim1Store]: treesize reduction 13, result has 86.0 percent of original size [2022-11-23 15:10:28,479 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 108 treesize of output 167 [2022-11-23 15:10:29,193 INFO L321 Elim1Store]: treesize reduction 10, result has 89.2 percent of original size [2022-11-23 15:10:29,194 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 123 treesize of output 181 [2022-11-23 15:10:29,822 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:10:29,822 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 97 treesize of output 164 [2022-11-23 15:10:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:10:30,419 INFO L321 Elim1Store]: treesize reduction 5, result has 82.8 percent of original size [2022-11-23 15:10:30,420 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 45 treesize of output 56 [2022-11-23 15:10:30,747 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:10:30,748 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 160 treesize of output 219 [2022-11-23 15:10:33,689 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:10:33,690 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 109 treesize of output 176 [2022-11-23 15:10:35,256 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:35,256 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 96 treesize of output 134 [2022-11-23 15:10:36,533 INFO L321 Elim1Store]: treesize reduction 5, result has 98.5 percent of original size [2022-11-23 15:10:36,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 301 treesize of output 568 [2022-11-23 15:10:39,136 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:39,137 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 50 treesize of output 52 [2022-11-23 15:10:39,346 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:39,346 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 92 treesize of output 130 [2022-11-23 15:10:39,652 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:39,653 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 96 treesize of output 134 [2022-11-23 15:10:39,869 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:39,870 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 54 treesize of output 56 [2022-11-23 15:10:40,007 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:40,007 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 54 treesize of output 56 [2022-11-23 15:10:40,220 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:10:40,221 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 120 treesize of output 183 [2022-11-23 15:10:41,071 INFO L321 Elim1Store]: treesize reduction 13, result has 86.0 percent of original size [2022-11-23 15:10:41,071 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 108 treesize of output 167 [2022-11-23 15:10:41,627 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:41,627 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 154 treesize of output 218 [2022-11-23 15:10:42,100 INFO L321 Elim1Store]: treesize reduction 5, result has 90.9 percent of original size [2022-11-23 15:10:42,100 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 143 treesize of output 168 [2022-11-23 15:10:42,547 INFO L321 Elim1Store]: treesize reduction 5, result has 90.9 percent of original size [2022-11-23 15:10:42,550 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 92 treesize of output 125 [2022-11-23 15:10:43,169 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:43,170 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 54 treesize of output 56 [2022-11-23 15:10:43,273 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:43,273 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 90 treesize of output 92 [2022-11-23 15:10:50,897 WARN L233 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 594 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:10:50,897 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:10:50,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 803 treesize of output 1839 [2022-11-23 15:11:34,428 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:34,429 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 96 treesize of output 134 [2022-11-23 15:11:34,696 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:34,697 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 110 treesize of output 148 [2022-11-23 15:11:36,028 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:36,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 230 treesize of output 568 [2022-11-23 15:11:39,275 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:39,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 224 treesize of output 562 [2022-11-23 15:11:42,042 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 [2022-11-23 15:11:42,082 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,082 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 29 treesize of output 29 [2022-11-23 15:11:42,165 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,165 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 54 treesize of output 56 [2022-11-23 15:11:42,233 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,234 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 68 treesize of output 84 [2022-11-23 15:11:42,318 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,318 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 54 treesize of output 56 [2022-11-23 15:11:42,392 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,393 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 68 treesize of output 84 [2022-11-23 15:11:42,532 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,533 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 96 treesize of output 134 [2022-11-23 15:11:42,695 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,696 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 64 treesize of output 66 [2022-11-23 15:11:42,833 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,833 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 68 treesize of output 70 [2022-11-23 15:11:42,895 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,896 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 68 treesize of output 70 [2022-11-23 15:11:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:42,980 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:42,981 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 87 treesize of output 103 [2022-11-23 15:11:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:43,155 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:43,155 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 90 treesize of output 106 [2022-11-23 15:11:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:43,390 INFO L321 Elim1Store]: treesize reduction 5, result has 91.2 percent of original size [2022-11-23 15:11:43,391 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 94 treesize of output 129 [2022-11-23 15:11:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:43,682 INFO L321 Elim1Store]: treesize reduction 5, result has 91.2 percent of original size [2022-11-23 15:11:43,683 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 96 treesize of output 131 [2022-11-23 15:11:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:43,871 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:43,872 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 93 treesize of output 109 [2022-11-23 15:11:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:44,127 INFO L321 Elim1Store]: treesize reduction 5, result has 91.2 percent of original size [2022-11-23 15:11:44,127 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 91 treesize of output 126 [2022-11-23 15:11:44,624 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:44,624 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 68 treesize of output 70 [2022-11-23 15:11:44,791 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:44,791 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 68 treesize of output 70 [2022-11-23 15:11:45,099 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:11:45,100 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 134 treesize of output 197 [2022-11-23 15:11:46,022 INFO L321 Elim1Store]: treesize reduction 13, result has 86.0 percent of original size [2022-11-23 15:11:46,022 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 122 treesize of output 181 [2022-11-23 15:11:47,191 INFO L321 Elim1Store]: treesize reduction 5, result has 90.9 percent of original size [2022-11-23 15:11:47,191 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 134 treesize of output 163 [2022-11-23 15:11:47,662 INFO L321 Elim1Store]: treesize reduction 5, result has 90.9 percent of original size [2022-11-23 15:11:47,662 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 129 treesize of output 158 [2022-11-23 15:11:48,164 INFO L321 Elim1Store]: treesize reduction 5, result has 94.6 percent of original size [2022-11-23 15:11:48,165 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 111 treesize of output 178 [2022-11-23 15:11:48,778 INFO L321 Elim1Store]: treesize reduction 5, result has 90.9 percent of original size [2022-11-23 15:11:48,779 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 157 treesize of output 182 [2022-11-23 15:11:49,642 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:49,642 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 64 treesize of output 66 [2022-11-23 15:11:49,900 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:49,900 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 84 treesize of output 86 [2022-11-23 15:11:49,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:11:50,118 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:11:50,119 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 773 treesize of output 841