./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 2329fc70 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_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb --- 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-2329fc7 [2022-12-14 11:55:12,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:55:12,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:55:12,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:55:12,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:55:12,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:55:12,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:55:12,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:55:12,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:55:12,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:55:12,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:55:12,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:55:12,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:55:12,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:55:12,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:55:12,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:55:12,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:55:12,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:55:12,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:55:12,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:55:12,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:55:12,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:55:12,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:55:12,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:55:12,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:55:12,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:55:12,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:55:12,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:55:12,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:55:12,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:55:12,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:55:12,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:55:12,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:55:12,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:55:12,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:55:12,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:55:12,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:55:12,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:55:12,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:55:12,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:55:12,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:55:12,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-12-14 11:55:12,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:55:12,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:55:12,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:55:12,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:55:12,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:55:12,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:55:12,982 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:55:12,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:55:12,982 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:55:12,988 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:55:12,988 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:55:12,988 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:55:12,988 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:55:12,988 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:55:12,989 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:55:12,989 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:55:12,989 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:55:12,989 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:55:12,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 11:55:12,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 11:55:12,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:55:12,991 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:55:12,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:55:12,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:55:12,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:55:12,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:55:12,991 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 11:55:12,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 11:55:12,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:55:12,992 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:55:12,992 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:55:12,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:55:12,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:55:12,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:55:12,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:55:12,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:55:12,994 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:55:12,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:55:12,994 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:55:12,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:55:12,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:55:12,994 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_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb [2022-12-14 11:55:13,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:55:13,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:55:13,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:55:13,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:55:13,210 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:55:13,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/forester-heap/sll-buckets-2.i [2022-12-14 11:55:15,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:55:15,980 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:55:15,980 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i [2022-12-14 11:55:15,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/data/a829108fe/ec4f3939fb5b4df0bbc259fcd424028b/FLAG1b08b2c7f [2022-12-14 11:55:15,997 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/data/a829108fe/ec4f3939fb5b4df0bbc259fcd424028b [2022-12-14 11:55:15,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:55:16,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:55:16,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:55:16,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:55:16,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:55:16,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:55:15" (1/1) ... [2022-12-14 11:55:16,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696009cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16, skipping insertion in model container [2022-12-14 11:55:16,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:55:15" (1/1) ... [2022-12-14 11:55:16,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:55:16,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:55:16,206 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22663,22676] [2022-12-14 11:55:16,210 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22734,22747] [2022-12-14 11:55:16,211 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22862,22875] [2022-12-14 11:55:16,214 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23275,23288] [2022-12-14 11:55:16,215 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23364,23377] [2022-12-14 11:55:16,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:55:16,225 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:55:16,251 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22663,22676] [2022-12-14 11:55:16,252 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22734,22747] [2022-12-14 11:55:16,253 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[22862,22875] [2022-12-14 11:55:16,255 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23275,23288] [2022-12-14 11:55:16,256 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_4490d8e4-be12-43bc-b819-a72a4e829131/sv-benchmarks/c/forester-heap/sll-buckets-2.i[23364,23377] [2022-12-14 11:55:16,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:55:16,274 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:55:16,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16 WrapperNode [2022-12-14 11:55:16,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:55:16,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:55:16,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:55:16,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:55:16,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,305 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 161 [2022-12-14 11:55:16,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:55:16,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:55:16,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:55:16,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:55:16,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,334 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:55:16,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:55:16,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:55:16,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:55:16,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (1/1) ... [2022-12-14 11:55:16,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:55:16,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:16,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:55:16,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:55:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:55:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:55:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:55:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:55:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:55:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:55:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:55:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:55:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:55:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:55:16,466 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:55:16,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:55:16,811 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:55:16,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:55:16,875 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-12-14 11:55:16,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:16 BoogieIcfgContainer [2022-12-14 11:55:16,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:55:16,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:55:16,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:55:16,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:55:16,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:55:15" (1/3) ... [2022-12-14 11:55:16,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a42857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:55:16, skipping insertion in model container [2022-12-14 11:55:16,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:16" (2/3) ... [2022-12-14 11:55:16,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a42857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:55:16, skipping insertion in model container [2022-12-14 11:55:16,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:16" (3/3) ... [2022-12-14 11:55:16,887 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets-2.i [2022-12-14 11:55:16,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:55:16,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-12-14 11:55:16,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:55:16,947 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;@70991ec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:55:16,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-12-14 11:55:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 65 states have (on average 2.5076923076923077) internal successors, (163), 137 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) [2022-12-14 11:55:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 11:55:16,955 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:16,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 11:55:16,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash 10203, now seen corresponding path program 1 times [2022-12-14 11:55:16,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:16,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021150340] [2022-12-14 11:55:16,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:16,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:17,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:17,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021150340] [2022-12-14 11:55:17,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021150340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:17,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:17,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:55:17,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710476325] [2022-12-14 11:55:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:17,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:17,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:17,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:17,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:17,153 INFO L87 Difference]: Start difference. First operand has 138 states, 65 states have (on average 2.5076923076923077) internal successors, (163), 137 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:55:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:17,296 INFO L93 Difference]: Finished difference Result 169 states and 177 transitions. [2022-12-14 11:55:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:17,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-12-14 11:55:17,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:17,307 INFO L225 Difference]: With dead ends: 169 [2022-12-14 11:55:17,307 INFO L226 Difference]: Without dead ends: 167 [2022-12-14 11:55:17,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:17,312 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 126 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:17,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 94 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:17,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-12-14 11:55:17,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 133. [2022-12-14 11:55:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 65 states have (on average 2.1538461538461537) internal successors, (140), 132 states have internal predecessors, (140), 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) [2022-12-14 11:55:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2022-12-14 11:55:17,345 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 2 [2022-12-14 11:55:17,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:17,345 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2022-12-14 11:55:17,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:55:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2022-12-14 11:55:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 11:55:17,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:17,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 11:55:17,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:55:17,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash 10204, now seen corresponding path program 1 times [2022-12-14 11:55:17,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:17,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278893767] [2022-12-14 11:55:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:17,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:17,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278893767] [2022-12-14 11:55:17,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278893767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:17,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:17,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:55:17,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962644440] [2022-12-14 11:55:17,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:17,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:17,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:17,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:17,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:17,422 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:55:17,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:17,527 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2022-12-14 11:55:17,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:17,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-12-14 11:55:17,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:17,529 INFO L225 Difference]: With dead ends: 166 [2022-12-14 11:55:17,529 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 11:55:17,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:17,531 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 60 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:17,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 158 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:17,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 11:55:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 129. [2022-12-14 11:55:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 65 states have (on average 2.0923076923076924) internal successors, (136), 128 states have internal predecessors, (136), 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) [2022-12-14 11:55:17,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2022-12-14 11:55:17,540 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 2 [2022-12-14 11:55:17,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:17,540 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2022-12-14 11:55:17,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:55:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2022-12-14 11:55:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 11:55:17,541 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:17,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 11:55:17,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:55:17,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:17,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash 841093034, now seen corresponding path program 1 times [2022-12-14 11:55:17,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:17,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151841953] [2022-12-14 11:55:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:17,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:17,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151841953] [2022-12-14 11:55:17,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151841953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:17,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:17,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:55:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337228450] [2022-12-14 11:55:17,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:17,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:55:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:17,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:55:17,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:17,678 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:17,823 INFO L93 Difference]: Finished difference Result 134 states and 142 transitions. [2022-12-14 11:55:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:55:17,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 11:55:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:17,824 INFO L225 Difference]: With dead ends: 134 [2022-12-14 11:55:17,824 INFO L226 Difference]: Without dead ends: 134 [2022-12-14 11:55:17,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:55:17,826 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 86 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:17,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 187 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-12-14 11:55:17,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2022-12-14 11:55:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 73 states have (on average 1.9315068493150684) internal successors, (141), 125 states have internal predecessors, (141), 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) [2022-12-14 11:55:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 141 transitions. [2022-12-14 11:55:17,833 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 141 transitions. Word has length 6 [2022-12-14 11:55:17,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:17,833 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 141 transitions. [2022-12-14 11:55:17,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2022-12-14 11:55:17,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 11:55:17,834 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:17,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 11:55:17,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:55:17,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:17,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:17,835 INFO L85 PathProgramCache]: Analyzing trace with hash 841093035, now seen corresponding path program 1 times [2022-12-14 11:55:17,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:17,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376037689] [2022-12-14 11:55:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:17,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:17,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376037689] [2022-12-14 11:55:17,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376037689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:17,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:17,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:55:17,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909607735] [2022-12-14 11:55:17,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:17,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:55:17,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:17,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:55:17,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:17,992 INFO L87 Difference]: Start difference. First operand 126 states and 141 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:18,119 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2022-12-14 11:55:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:55:18,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 11:55:18,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:18,120 INFO L225 Difference]: With dead ends: 122 [2022-12-14 11:55:18,120 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 11:55:18,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:55:18,121 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:18,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 276 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:18,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 11:55:18,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 11:55:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 73 states have (on average 1.8767123287671232) internal successors, (137), 121 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) [2022-12-14 11:55:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 137 transitions. [2022-12-14 11:55:18,125 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 137 transitions. Word has length 6 [2022-12-14 11:55:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:18,125 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 137 transitions. [2022-12-14 11:55:18,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 137 transitions. [2022-12-14 11:55:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:55:18,126 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:18,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:18,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:55:18,126 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:18,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:18,126 INFO L85 PathProgramCache]: Analyzing trace with hash 777962111, now seen corresponding path program 1 times [2022-12-14 11:55:18,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:18,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546153915] [2022-12-14 11:55:18,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:18,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:18,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:18,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546153915] [2022-12-14 11:55:18,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546153915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:18,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:18,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:55:18,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961080069] [2022-12-14 11:55:18,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:18,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:55:18,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:18,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:55:18,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:18,203 INFO L87 Difference]: Start difference. First operand 122 states and 137 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2022-12-14 11:55:18,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:18,319 INFO L93 Difference]: Finished difference Result 129 states and 137 transitions. [2022-12-14 11:55:18,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:55:18,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 [2022-12-14 11:55:18,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:18,320 INFO L225 Difference]: With dead ends: 129 [2022-12-14 11:55:18,320 INFO L226 Difference]: Without dead ends: 129 [2022-12-14 11:55:18,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:55:18,321 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 81 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:18,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 182 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:18,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-14 11:55:18,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2022-12-14 11:55:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 73 states have (on average 1.8630136986301369) internal successors, (136), 120 states have internal predecessors, (136), 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) [2022-12-14 11:55:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 136 transitions. [2022-12-14 11:55:18,325 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 136 transitions. Word has length 10 [2022-12-14 11:55:18,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:18,325 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 136 transitions. [2022-12-14 11:55:18,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2022-12-14 11:55:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 136 transitions. [2022-12-14 11:55:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:55:18,325 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:18,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:18,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:55:18,326 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:18,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash 777962112, now seen corresponding path program 1 times [2022-12-14 11:55:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:18,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106231534] [2022-12-14 11:55:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:18,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:18,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106231534] [2022-12-14 11:55:18,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106231534] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:18,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:18,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:55:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685278067] [2022-12-14 11:55:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:18,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:55:18,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:55:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:18,454 INFO L87 Difference]: Start difference. First operand 121 states and 136 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2022-12-14 11:55:18,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:18,577 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2022-12-14 11:55:18,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:55:18,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 [2022-12-14 11:55:18,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:18,579 INFO L225 Difference]: With dead ends: 121 [2022-12-14 11:55:18,579 INFO L226 Difference]: Without dead ends: 121 [2022-12-14 11:55:18,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:18,580 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:18,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 265 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-12-14 11:55:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-12-14 11:55:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 73 states have (on average 1.821917808219178) internal successors, (133), 117 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) [2022-12-14 11:55:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 133 transitions. [2022-12-14 11:55:18,585 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 133 transitions. Word has length 10 [2022-12-14 11:55:18,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:18,585 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 133 transitions. [2022-12-14 11:55:18,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2022-12-14 11:55:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 133 transitions. [2022-12-14 11:55:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:55:18,586 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:18,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:18,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:55:18,586 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:18,586 INFO L85 PathProgramCache]: Analyzing trace with hash 34701483, now seen corresponding path program 1 times [2022-12-14 11:55:18,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:18,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694396756] [2022-12-14 11:55:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:18,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:18,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694396756] [2022-12-14 11:55:18,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694396756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:18,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:18,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:55:18,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780149124] [2022-12-14 11:55:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:18,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:18,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:18,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:18,643 INFO L87 Difference]: Start difference. First operand 118 states and 133 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:18,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:18,710 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-12-14 11:55:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:18,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 11:55:18,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:18,712 INFO L225 Difference]: With dead ends: 122 [2022-12-14 11:55:18,712 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 11:55:18,712 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 [2022-12-14 11:55:18,713 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 61 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:18,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 104 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 11:55:18,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 113. [2022-12-14 11:55:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 73 states have (on average 1.7534246575342465) internal successors, (128), 112 states have internal predecessors, (128), 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) [2022-12-14 11:55:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2022-12-14 11:55:18,717 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 15 [2022-12-14 11:55:18,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:18,717 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2022-12-14 11:55:18,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2022-12-14 11:55:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:55:18,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:18,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:18,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:55:18,718 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:18,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:18,719 INFO L85 PathProgramCache]: Analyzing trace with hash 34701484, now seen corresponding path program 1 times [2022-12-14 11:55:18,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:18,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340883551] [2022-12-14 11:55:18,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:18,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:18,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:18,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340883551] [2022-12-14 11:55:18,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340883551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:18,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:18,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:55:18,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199013591] [2022-12-14 11:55:18,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:18,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:18,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:18,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:18,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:18,812 INFO L87 Difference]: Start difference. First operand 113 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:18,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:18,883 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2022-12-14 11:55:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:18,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 11:55:18,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:18,884 INFO L225 Difference]: With dead ends: 117 [2022-12-14 11:55:18,884 INFO L226 Difference]: Without dead ends: 117 [2022-12-14 11:55:18,885 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 [2022-12-14 11:55:18,885 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 56 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:18,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 105 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:18,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-12-14 11:55:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 108. [2022-12-14 11:55:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 107 states have internal predecessors, (123), 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) [2022-12-14 11:55:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2022-12-14 11:55:18,890 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 15 [2022-12-14 11:55:18,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:18,890 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2022-12-14 11:55:18,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2022-12-14 11:55:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 11:55:18,891 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:18,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:18,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:55:18,891 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:18,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1011530333, now seen corresponding path program 1 times [2022-12-14 11:55:18,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:18,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042659065] [2022-12-14 11:55:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:18,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:18,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042659065] [2022-12-14 11:55:18,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042659065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:18,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:18,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:55:18,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631435166] [2022-12-14 11:55:18,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:18,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:55:18,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:18,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:55:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:55:18,956 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:19,044 INFO L93 Difference]: Finished difference Result 189 states and 220 transitions. [2022-12-14 11:55:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:55:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 11:55:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:19,045 INFO L225 Difference]: With dead ends: 189 [2022-12-14 11:55:19,045 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 11:55:19,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:19,046 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 195 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:19,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 152 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:19,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 11:55:19,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 111. [2022-12-14 11:55:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 77 states have (on average 1.6753246753246753) internal successors, (129), 110 states have internal predecessors, (129), 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) [2022-12-14 11:55:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2022-12-14 11:55:19,050 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 17 [2022-12-14 11:55:19,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:19,050 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2022-12-14 11:55:19,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2022-12-14 11:55:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 11:55:19,051 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:19,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:19,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:55:19,051 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:19,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:19,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1011533735, now seen corresponding path program 1 times [2022-12-14 11:55:19,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:19,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9848386] [2022-12-14 11:55:19,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:19,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:19,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9848386] [2022-12-14 11:55:19,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9848386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:19,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:19,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:55:19,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099268878] [2022-12-14 11:55:19,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:19,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:55:19,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:19,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:55:19,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:19,162 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:19,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:19,300 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2022-12-14 11:55:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:55:19,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 11:55:19,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:19,302 INFO L225 Difference]: With dead ends: 153 [2022-12-14 11:55:19,302 INFO L226 Difference]: Without dead ends: 153 [2022-12-14 11:55:19,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:55:19,303 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 186 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:19,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 120 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:19,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-12-14 11:55:19,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 115. [2022-12-14 11:55:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 81 states have (on average 1.6666666666666667) internal successors, (135), 114 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) [2022-12-14 11:55:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2022-12-14 11:55:19,306 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 17 [2022-12-14 11:55:19,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:19,306 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2022-12-14 11:55:19,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2022-12-14 11:55:19,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 11:55:19,307 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:19,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:19,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:55:19,308 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:19,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:19,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1011533734, now seen corresponding path program 1 times [2022-12-14 11:55:19,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:19,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637554386] [2022-12-14 11:55:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:19,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:19,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637554386] [2022-12-14 11:55:19,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637554386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:19,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:19,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:55:19,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045610685] [2022-12-14 11:55:19,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:19,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:55:19,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:19,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:55:19,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:55:19,481 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:19,695 INFO L93 Difference]: Finished difference Result 193 states and 217 transitions. [2022-12-14 11:55:19,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:55:19,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 11:55:19,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:19,697 INFO L225 Difference]: With dead ends: 193 [2022-12-14 11:55:19,698 INFO L226 Difference]: Without dead ends: 193 [2022-12-14 11:55:19,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:55:19,699 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 378 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:19,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 149 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:55:19,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-12-14 11:55:19,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 145. [2022-12-14 11:55:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 111 states have (on average 1.6396396396396395) internal successors, (182), 144 states have internal predecessors, (182), 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) [2022-12-14 11:55:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 182 transitions. [2022-12-14 11:55:19,703 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 182 transitions. Word has length 17 [2022-12-14 11:55:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:19,703 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 182 transitions. [2022-12-14 11:55:19,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 182 transitions. [2022-12-14 11:55:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 11:55:19,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:19,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:19,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:55:19,704 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:19,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:19,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1108004965, now seen corresponding path program 1 times [2022-12-14 11:55:19,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:19,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832528826] [2022-12-14 11:55:19,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:19,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:20,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:20,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832528826] [2022-12-14 11:55:20,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832528826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:20,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:20,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 11:55:20,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009369671] [2022-12-14 11:55:20,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:20,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:55:20,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:20,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:55:20,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:55:20,171 INFO L87 Difference]: Start difference. First operand 145 states and 182 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-12-14 11:55:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:20,662 INFO L93 Difference]: Finished difference Result 173 states and 206 transitions. [2022-12-14 11:55:20,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 11:55:20,663 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 11:55:20,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:20,664 INFO L225 Difference]: With dead ends: 173 [2022-12-14 11:55:20,664 INFO L226 Difference]: Without dead ends: 173 [2022-12-14 11:55:20,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:55:20,665 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 186 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:20,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 287 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:55:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-12-14 11:55:20,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 150. [2022-12-14 11:55:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 117 states have (on average 1.5811965811965811) internal successors, (185), 149 states have internal predecessors, (185), 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) [2022-12-14 11:55:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 185 transitions. [2022-12-14 11:55:20,669 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 185 transitions. Word has length 20 [2022-12-14 11:55:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:20,670 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 185 transitions. [2022-12-14 11:55:20,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-12-14 11:55:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2022-12-14 11:55:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 11:55:20,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:20,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:20,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:55:20,671 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:20,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:20,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2124656332, now seen corresponding path program 1 times [2022-12-14 11:55:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:20,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847595178] [2022-12-14 11:55:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:20,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:20,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847595178] [2022-12-14 11:55:20,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847595178] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:20,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:20,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:55:20,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693537665] [2022-12-14 11:55:20,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:20,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:20,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:20,707 INFO L87 Difference]: Start difference. First operand 150 states and 185 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:20,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:20,742 INFO L93 Difference]: Finished difference Result 148 states and 183 transitions. [2022-12-14 11:55:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:20,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-14 11:55:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:20,744 INFO L225 Difference]: With dead ends: 148 [2022-12-14 11:55:20,744 INFO L226 Difference]: Without dead ends: 148 [2022-12-14 11:55:20,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:20,744 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 42 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:20,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 121 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:55:20,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-12-14 11:55:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-12-14 11:55:20,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.5775862068965518) internal successors, (183), 147 states have internal predecessors, (183), 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) [2022-12-14 11:55:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2022-12-14 11:55:20,747 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 22 [2022-12-14 11:55:20,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:20,747 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2022-12-14 11:55:20,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-12-14 11:55:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 11:55:20,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:20,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:20,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:55:20,748 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:20,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1282702039, now seen corresponding path program 1 times [2022-12-14 11:55:20,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:20,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513628635] [2022-12-14 11:55:20,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:20,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:20,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:20,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513628635] [2022-12-14 11:55:20,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513628635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:20,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:20,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:55:20,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496466211] [2022-12-14 11:55:20,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:20,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:55:20,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:20,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:55:20,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:55:20,810 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:20,899 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2022-12-14 11:55:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:55:20,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 11:55:20,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:20,901 INFO L225 Difference]: With dead ends: 181 [2022-12-14 11:55:20,901 INFO L226 Difference]: Without dead ends: 181 [2022-12-14 11:55:20,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:20,902 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 155 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:20,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 166 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:55:20,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-12-14 11:55:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 150. [2022-12-14 11:55:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 118 states have (on average 1.5677966101694916) internal successors, (185), 149 states have internal predecessors, (185), 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) [2022-12-14 11:55:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 185 transitions. [2022-12-14 11:55:20,906 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 185 transitions. Word has length 25 [2022-12-14 11:55:20,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:20,906 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 185 transitions. [2022-12-14 11:55:20,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2022-12-14 11:55:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 11:55:20,907 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:20,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:20,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:55:20,908 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:20,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1871700982, now seen corresponding path program 1 times [2022-12-14 11:55:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:20,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248146356] [2022-12-14 11:55:20,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:20,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:21,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:21,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248146356] [2022-12-14 11:55:21,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248146356] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:55:21,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932193009] [2022-12-14 11:55:21,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:21,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:21,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:21,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:21,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:55:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:21,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 11:55:21,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:21,658 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 [2022-12-14 11:55:21,678 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:55:21,678 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 [2022-12-14 11:55:21,699 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:21,727 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 [2022-12-14 11:55:21,742 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 [2022-12-14 11:55:21,761 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:55:21,762 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 [2022-12-14 11:55:21,813 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 19 treesize of output 18 [2022-12-14 11:55:21,923 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:21,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 49 [2022-12-14 11:55:21,942 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 [2022-12-14 11:55:22,011 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:22,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:55:22,074 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:22,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:55:22,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 11:55:22,152 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-14 11:55:22,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 26 treesize of output 41 [2022-12-14 11:55:22,196 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 32 treesize of output 30 [2022-12-14 11:55:22,237 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 32 treesize of output 30 [2022-12-14 11:55:22,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2022-12-14 11:55:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:22,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:22,878 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:22,878 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 27 treesize of output 31 [2022-12-14 11:55:24,898 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:24,898 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-12-14 11:55:24,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,911 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:24,911 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 50 treesize of output 50 [2022-12-14 11:55:24,921 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:24,921 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 68 treesize of output 64 [2022-12-14 11:55:25,013 INFO L321 Elim1Store]: treesize reduction 27, result has 77.7 percent of original size [2022-12-14 11:55:25,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 134 treesize of output 215 [2022-12-14 11:55:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:25,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932193009] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:55:25,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1773882580] [2022-12-14 11:55:25,963 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 11:55:25,963 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:55:25,966 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:55:25,970 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:55:25,971 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:55:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,004 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 [2022-12-14 11:55:26,016 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,022 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 28 treesize of output 30 [2022-12-14 11:55:26,028 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:26,039 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,050 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 [2022-12-14 11:55:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,060 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 43 treesize of output 33 [2022-12-14 11:55:26,067 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:55:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,091 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 21 treesize of output 20 [2022-12-14 11:55:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,100 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 39 treesize of output 33 [2022-12-14 11:55:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,143 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 11:55:26,143 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 1 case distinctions, treesize of input 37 treesize of output 50 [2022-12-14 11:55:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,170 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-12-14 11:55:26,170 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 2 case distinctions, treesize of input 85 treesize of output 52 [2022-12-14 11:55:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,184 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 43 treesize of output 26 [2022-12-14 11:55:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,210 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 [2022-12-14 11:55:26,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 48 [2022-12-14 11:55:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,241 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 [2022-12-14 11:55:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2022-12-14 11:55:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 53 [2022-12-14 11:55:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,402 INFO L321 Elim1Store]: treesize reduction 180, result has 18.6 percent of original size [2022-12-14 11:55:26,402 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 328 treesize of output 204 [2022-12-14 11:55:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,430 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:55:26,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 131 [2022-12-14 11:55:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 68 [2022-12-14 11:55:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,518 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-14 11:55:26,518 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 7 case distinctions, treesize of input 186 treesize of output 145 [2022-12-14 11:55:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2022-12-14 11:55:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-12-14 11:55:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,618 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-12-14 11:55:26,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 193 treesize of output 155 [2022-12-14 11:55:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 67 [2022-12-14 11:55:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,662 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 70 [2022-12-14 11:55:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:55:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,834 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 11:55:26,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 234 treesize of output 191 [2022-12-14 11:55:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 80 [2022-12-14 11:55:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 67 [2022-12-14 11:55:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:27,002 INFO L321 Elim1Store]: treesize reduction 79, result has 8.1 percent of original size [2022-12-14 11:55:27,003 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 8 new quantified variables, introduced 16 case distinctions, treesize of input 249 treesize of output 194 [2022-12-14 11:55:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 76 [2022-12-14 11:55:27,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 83 [2022-12-14 11:55:27,238 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:55:34,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1773882580] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:34,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:55:34,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [14, 13, 12] total 55 [2022-12-14 11:55:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349952142] [2022-12-14 11:55:34,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:34,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 11:55:34,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:34,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 11:55:34,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=2480, Unknown=12, NotChecked=0, Total=3080 [2022-12-14 11:55:34,131 INFO L87 Difference]: Start difference. First operand 150 states and 185 transitions. Second operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 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) [2022-12-14 11:55:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:36,190 INFO L93 Difference]: Finished difference Result 174 states and 211 transitions. [2022-12-14 11:55:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 11:55:36,191 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 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 27 [2022-12-14 11:55:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:36,191 INFO L225 Difference]: With dead ends: 174 [2022-12-14 11:55:36,191 INFO L226 Difference]: Without dead ends: 174 [2022-12-14 11:55:36,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 37 SyntacticMatches, 7 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1492 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=588, Invalid=2480, Unknown=12, NotChecked=0, Total=3080 [2022-12-14 11:55:36,192 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 13 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:36,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 344 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 11:55:36,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-12-14 11:55:36,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 167. [2022-12-14 11:55:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 166 states have internal predecessors, (205), 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) [2022-12-14 11:55:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 205 transitions. [2022-12-14 11:55:36,195 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 205 transitions. Word has length 27 [2022-12-14 11:55:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:36,195 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 205 transitions. [2022-12-14 11:55:36,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 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) [2022-12-14 11:55:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 205 transitions. [2022-12-14 11:55:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 11:55:36,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:36,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:36,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:55:36,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 11:55:36,398 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:36,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:36,399 INFO L85 PathProgramCache]: Analyzing trace with hash 652721966, now seen corresponding path program 1 times [2022-12-14 11:55:36,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:36,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407133905] [2022-12-14 11:55:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:36,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:36,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:36,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407133905] [2022-12-14 11:55:36,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407133905] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:55:36,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875271021] [2022-12-14 11:55:36,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:36,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:36,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:36,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:55:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:36,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 11:55:36,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:36,812 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 [2022-12-14 11:55:36,823 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:55:36,823 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 [2022-12-14 11:55:36,832 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 11 treesize of output 7 [2022-12-14 11:55:36,869 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:55:36,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2022-12-14 11:55:36,883 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:55:36,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2022-12-14 11:55:36,893 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:55:36,893 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 [2022-12-14 11:55:36,923 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 11:55:36,923 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 1 case distinctions, treesize of input 35 treesize of output 26 [2022-12-14 11:55:36,994 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:36,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 48 [2022-12-14 11:55:37,001 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 [2022-12-14 11:55:37,061 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:37,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 55 [2022-12-14 11:55:37,102 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:37,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 55 [2022-12-14 11:55:37,165 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:55:37,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-12-14 11:55:37,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:37,216 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:37,217 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 24 treesize of output 15 [2022-12-14 11:55:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:37,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:37,423 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:37,423 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 [2022-12-14 11:55:37,523 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:37,523 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 1 case distinctions, treesize of input 24 treesize of output 25 [2022-12-14 11:55:37,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:37,531 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:37,531 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 33 treesize of output 33 [2022-12-14 11:55:37,539 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:37,539 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 33 [2022-12-14 11:55:37,547 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:55:37,548 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 13 treesize of output 12 [2022-12-14 11:55:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:37,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875271021] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:55:37,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1746513502] [2022-12-14 11:55:37,652 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2022-12-14 11:55:37,652 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:55:37,652 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:55:37,652 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:55:37,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:55:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,673 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 [2022-12-14 11:55:37,684 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 [2022-12-14 11:55:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,691 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 28 treesize of output 30 [2022-12-14 11:55:37,697 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:37,706 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:37,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,715 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 [2022-12-14 11:55:37,722 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 [2022-12-14 11:55:37,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,734 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 43 treesize of output 33 [2022-12-14 11:55:37,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,747 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 [2022-12-14 11:55:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,753 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 39 treesize of output 33 [2022-12-14 11:55:37,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:55:37,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,790 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 11:55:37,790 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 1 case distinctions, treesize of input 37 treesize of output 50 [2022-12-14 11:55:37,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,818 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-12-14 11:55:37,818 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 2 case distinctions, treesize of input 85 treesize of output 52 [2022-12-14 11:55:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,827 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 43 treesize of output 26 [2022-12-14 11:55:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2022-12-14 11:55:37,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,860 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 [2022-12-14 11:55:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 48 [2022-12-14 11:55:37,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,894 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 30 treesize of output 32 [2022-12-14 11:55:37,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:37,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 53 [2022-12-14 11:55:37,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,041 INFO L321 Elim1Store]: treesize reduction 180, result has 18.6 percent of original size [2022-12-14 11:55:38,041 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 328 treesize of output 204 [2022-12-14 11:55:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,058 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:55:38,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 131 [2022-12-14 11:55:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 78 [2022-12-14 11:55:38,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,170 INFO L321 Elim1Store]: treesize reduction 148, result has 21.7 percent of original size [2022-12-14 11:55:38,170 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 250 treesize of output 201 [2022-12-14 11:55:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,190 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:55:38,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 140 [2022-12-14 11:55:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 71 [2022-12-14 11:55:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,270 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-12-14 11:55:38,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 193 treesize of output 155 [2022-12-14 11:55:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 67 [2022-12-14 11:55:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,305 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 70 [2022-12-14 11:55:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,419 INFO L321 Elim1Store]: treesize reduction 80, result has 15.8 percent of original size [2022-12-14 11:55:38,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 324 treesize of output 197 [2022-12-14 11:55:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2022-12-14 11:55:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:38,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:38,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 90 [2022-12-14 11:55:39,146 INFO L321 Elim1Store]: treesize reduction 712, result has 10.2 percent of original size [2022-12-14 11:55:39,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 17 new quantified variables, introduced 90 case distinctions, treesize of input 768 treesize of output 502 [2022-12-14 11:55:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:39,259 INFO L321 Elim1Store]: treesize reduction 398, result has 13.1 percent of original size [2022-12-14 11:55:39,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 771 treesize of output 773 [2022-12-14 11:55:39,620 INFO L321 Elim1Store]: treesize reduction 1148, result has 9.8 percent of original size [2022-12-14 11:55:39,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 760 treesize of output 770 [2022-12-14 11:55:39,879 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 11:55:39,880 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 21 treesize of output 33 [2022-12-14 11:55:39,993 INFO L321 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2022-12-14 11:55:39,994 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 139 [2022-12-14 11:55:40,068 INFO L321 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2022-12-14 11:55:40,069 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 131 [2022-12-14 11:55:41,272 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 [2022-12-14 11:55:41,447 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 11:55:41,448 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 21 treesize of output 33 [2022-12-14 11:55:41,546 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 [2022-12-14 11:55:41,550 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 [2022-12-14 11:55:41,555 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 [2022-12-14 11:55:41,584 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:55:45,639 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4909#(and (<= 0 |ULTIMATE.start_main_~itr~0#1.base|) (<= |ULTIMATE.start_main_~itr~0#1.base| 0) (<= 0 |ULTIMATE.start_main_~item~0#1.base|) (<= |ULTIMATE.start_main_~bucket~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~bucket~0#1.offset|) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~item~0#1.base| 0) (<= |ULTIMATE.start_main_~itr~0#1.offset| 0) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~bcki~0#1.base| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~bcki~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~itr~0#1.offset|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 11:55:45,639 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:55:45,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:55:45,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 29 [2022-12-14 11:55:45,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697371844] [2022-12-14 11:55:45,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:55:45,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 11:55:45,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:45,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 11:55:45,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=2525, Unknown=5, NotChecked=0, Total=2970 [2022-12-14 11:55:45,642 INFO L87 Difference]: Start difference. First operand 167 states and 205 transitions. Second operand has 30 states, 30 states have (on average 2.4) internal successors, (72), 29 states have internal predecessors, (72), 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) [2022-12-14 11:55:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:46,710 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2022-12-14 11:55:46,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 11:55:46,711 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 29 states have internal predecessors, (72), 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 28 [2022-12-14 11:55:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:46,712 INFO L225 Difference]: With dead ends: 258 [2022-12-14 11:55:46,712 INFO L226 Difference]: Without dead ends: 258 [2022-12-14 11:55:46,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1650 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=658, Invalid=3759, Unknown=5, NotChecked=0, Total=4422 [2022-12-14 11:55:46,715 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 465 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:46,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 692 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 990 Invalid, 1 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 11:55:46,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-12-14 11:55:46,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 175. [2022-12-14 11:55:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 143 states have (on average 1.4895104895104896) internal successors, (213), 174 states have internal predecessors, (213), 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) [2022-12-14 11:55:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 213 transitions. [2022-12-14 11:55:46,718 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 213 transitions. Word has length 28 [2022-12-14 11:55:46,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:46,718 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 213 transitions. [2022-12-14 11:55:46,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 29 states have internal predecessors, (72), 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) [2022-12-14 11:55:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 213 transitions. [2022-12-14 11:55:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 11:55:46,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:46,719 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:46,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:55:46,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 11:55:46,921 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 69 more)] === [2022-12-14 11:55:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:46,923 INFO L85 PathProgramCache]: Analyzing trace with hash 652718564, now seen corresponding path program 1 times [2022-12-14 11:55:46,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:46,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937952356] [2022-12-14 11:55:46,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:46,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:47,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:47,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937952356] [2022-12-14 11:55:47,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937952356] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:55:47,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465295467] [2022-12-14 11:55:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:47,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:47,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:47,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:47,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4490d8e4-be12-43bc-b819-a72a4e829131/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:55:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:47,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 11:55:47,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:47,480 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 [2022-12-14 11:55:47,490 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:55:47,491 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 [2022-12-14 11:55:47,497 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-12-14 11:55:47,520 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 [2022-12-14 11:55:47,527 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 [2022-12-14 11:55:47,539 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:55:47,539 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 [2022-12-14 11:55:47,550 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 19 treesize of output 18 [2022-12-14 11:55:47,606 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:47,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 49 [2022-12-14 11:55:47,616 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 [2022-12-14 11:55:47,667 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:47,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:55:47,701 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:55:47,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:55:47,750 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:55:47,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 32 [2022-12-14 11:55:47,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:47,862 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:47,863 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 25 treesize of output 16 [2022-12-14 11:55:47,873 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 [2022-12-14 11:55:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:47,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:48,035 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~bcki~0#1.offset_93| Int) (v_ArrVal_1094 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~bcki~0#1.offset_93|)) (not (<= |v_ULTIMATE.start_main_~bcki~0#1.offset_93| |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1094) |c_ULTIMATE.start_main_~bucket~0#1.base|) |v_ULTIMATE.start_main_~bcki~0#1.offset_93|)) 1))) (forall ((|v_ULTIMATE.start_main_~bcki~0#1.offset_93| Int) (v_ArrVal_1094 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1094) |c_ULTIMATE.start_main_~bucket~0#1.base|) |v_ULTIMATE.start_main_~bcki~0#1.offset_93|) |c_ULTIMATE.start_main_~bucket~0#1.base|)) (not (<= 0 |v_ULTIMATE.start_main_~bcki~0#1.offset_93|)) (not (<= |v_ULTIMATE.start_main_~bcki~0#1.offset_93| |c_ULTIMATE.start_main_~bucket~0#1.offset|))))) is different from false [2022-12-14 11:55:48,135 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:48,135 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 65 treesize of output 69 [2022-12-14 11:55:48,291 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:48,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 143 [2022-12-14 11:55:48,332 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:55:48,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 31 [2022-12-14 11:55:48,370 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:55:48,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 31 [2022-12-14 11:55:48,383 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:55:48,384 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 6 [2022-12-14 11:55:48,468 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_arrayElimArr_6 (Array Int Int)) (v_prenex_6 Int) (v_prenex_8 (Array Int Int)) (|ULTIMATE.start_main_~bcki~0#1.offset| Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_DerPreprocessor_5 Int) (v_prenex_5 (Array Int Int)) (v_DerPreprocessor_1 Int) (v_prenex_9 Int)) (let ((.cse3 (store v_arrayElimArr_6 v_prenex_6 v_DerPreprocessor_1)) (.cse0 (select v_arrayElimArr_6 v_prenex_6))) (let ((.cse1 (store (store .cse3 v_prenex_9 v_DerPreprocessor_5) |ULTIMATE.start_main_~bcki~0#1.offset| .cse0)) (.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_arrayElimArr_6))) (or (not (= (select |c_#valid| .cse0) 0)) (not (= (store (store v_arrayElimArr_6 v_prenex_6 (select .cse1 v_prenex_6)) |ULTIMATE.start_main_~bcki~0#1.offset| .cse0) .cse1)) (not (= (select .cse1 v_prenex_9) v_DerPreprocessor_5)) (= |c_ULTIMATE.start_main_~bcki~0#1.base| (select (select (store .cse2 .cse0 v_prenex_8) |c_ULTIMATE.start_main_~bucket~0#1.base|) v_prenex_7)) (not (<= v_prenex_4 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (not (<= 0 v_prenex_4)) (not (= (select (select (store .cse2 .cse0 v_prenex_5) |c_ULTIMATE.start_main_~bucket~0#1.base|) v_prenex_4) |c_ULTIMATE.start_main_~bucket~0#1.base|)) (not (= (select (store .cse3 v_prenex_9 .cse0) v_prenex_6) v_DerPreprocessor_1)))))) (forall ((v_arrayElimArr_5 (Array Int Int)) (|ULTIMATE.start_main_~bcki~0#1.offset| Int) (v_prenex_10 Int) (v_prenex_11 (Array Int Int)) (v_DerPreprocessor_3 Int) (v_prenex_9 Int)) (let ((.cse4 (select v_arrayElimArr_5 v_prenex_9))) (or (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_arrayElimArr_5) .cse4 v_prenex_11) |c_ULTIMATE.start_main_~bucket~0#1.base|) v_prenex_10) |c_ULTIMATE.start_main_~bucket~0#1.base|)) (not (= (select (store (store v_arrayElimArr_5 v_prenex_9 v_DerPreprocessor_3) |ULTIMATE.start_main_~bcki~0#1.offset| .cse4) v_prenex_9) v_DerPreprocessor_3)) (not (<= 0 v_prenex_10)) (not (= (select |c_#valid| .cse4) 0)) (not (<= v_prenex_10 |c_ULTIMATE.start_main_~bucket~0#1.offset|))))) (forall ((|ULTIMATE.start_main_~bcki~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int))) (let ((.cse5 (select v_arrayElimArr_7 |ULTIMATE.start_main_~bcki~0#1.offset|))) (or (forall ((|v_ULTIMATE.start_main_~bcki~0#1.offset_93| Int) (v_ArrVal_1094 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~bcki~0#1.offset_93|)) (not (<= |v_ULTIMATE.start_main_~bcki~0#1.offset_93| |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_arrayElimArr_7) .cse5 v_ArrVal_1094) |c_ULTIMATE.start_main_~bucket~0#1.base|) |v_ULTIMATE.start_main_~bcki~0#1.offset_93|) |c_ULTIMATE.start_main_~bcki~0#1.base|))) (not (= (select |c_#valid| .cse5) 0)))))) is different from false [2022-12-14 11:55:48,778 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:48,778 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 1 case distinctions, treesize of input 227 treesize of output 204 [2022-12-14 11:55:48,826 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:48,826 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 660 treesize of output 704 [2022-12-14 11:55:48,845 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 619 treesize of output 611 [2022-12-14 11:55:49,143 INFO L321 Elim1Store]: treesize reduction 399, result has 24.4 percent of original size [2022-12-14 11:55:49,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 24 case distinctions, treesize of input 700 treesize of output 870 [2022-12-14 11:55:49,211 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 602 treesize of output 594 [2022-12-14 11:55:49,284 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:49,285 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 601 treesize of output 653 [2022-12-14 11:55:49,345 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 582 treesize of output 574 [2022-12-14 11:55:49,392 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:49,393 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 610 treesize of output 594 [2022-12-14 11:55:49,449 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 552 treesize of output 544 [2022-12-14 11:55:49,500 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:49,500 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 577 treesize of output 563 [2022-12-14 11:55:59,947 INFO L321 Elim1Store]: treesize reduction 41, result has 16.3 percent of original size [2022-12-14 11:55:59,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 259 treesize of output 257 [2022-12-14 12:02:03,041 WARN L233 SmtUtils]: Spent 6.05m on a formula simplification. DAG size of input: 1283 DAG size of output: 246 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:02:03,042 INFO L321 Elim1Store]: treesize reduction 4121, result has 9.8 percent of original size [2022-12-14 12:02:03,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 10 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 19 new quantified variables, introduced 150 case distinctions, treesize of input 544 treesize of output 2796