./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/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_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac --- 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 06:48:35,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:48:35,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:48:35,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:48:35,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:48:35,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:48:35,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:48:35,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:48:35,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:48:35,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:48:35,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:48:35,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:48:35,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:48:35,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:48:35,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:48:35,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:48:35,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:48:35,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:48:35,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:48:35,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:48:35,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:48:35,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:48:35,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:48:36,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:48:36,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:48:36,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:48:36,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:48:36,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:48:36,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:48:36,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:48:36,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:48:36,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:48:36,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:48:36,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:48:36,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:48:36,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:48:36,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:48:36,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:48:36,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:48:36,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:48:36,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:48:36,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 06:48:36,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:48:36,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:48:36,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:48:36,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:48:36,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:48:36,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:48:36,046 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:48:36,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:48:36,047 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:48:36,048 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:48:36,048 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:48:36,048 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:48:36,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:48:36,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:48:36,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:48:36,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:48:36,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:48:36,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:48:36,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:48:36,050 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_28367530-ced4-4d3f-8ac9-e626926515dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac [2022-12-14 06:48:36,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:48:36,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:48:36,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:48:36,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:48:36,238 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:48:36,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/forester-heap/sll-buckets-1.i [2022-12-14 06:48:38,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:48:38,992 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:48:38,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i [2022-12-14 06:48:39,001 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/data/b35e58cbd/0c57d57f22bd49b2a239915794bbc5d3/FLAGa7ebdec65 [2022-12-14 06:48:39,390 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/data/b35e58cbd/0c57d57f22bd49b2a239915794bbc5d3 [2022-12-14 06:48:39,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:48:39,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:48:39,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:48:39,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:48:39,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:48:39,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163ae866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39, skipping insertion in model container [2022-12-14 06:48:39,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:48:39,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:48:39,611 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676] [2022-12-14 06:48:39,615 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747] [2022-12-14 06:48:39,617 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875] [2022-12-14 06:48:39,621 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288] [2022-12-14 06:48:39,622 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377] [2022-12-14 06:48:39,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:48:39,634 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:48:39,670 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676] [2022-12-14 06:48:39,671 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747] [2022-12-14 06:48:39,672 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875] [2022-12-14 06:48:39,676 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288] [2022-12-14 06:48:39,677 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_28367530-ced4-4d3f-8ac9-e626926515dc/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377] [2022-12-14 06:48:39,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:48:39,698 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:48:39,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39 WrapperNode [2022-12-14 06:48:39,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:48:39,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:48:39,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:48:39,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:48:39,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,739 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 161 [2022-12-14 06:48:39,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:48:39,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:48:39,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:48:39,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:48:39,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:48:39,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:48:39,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:48:39,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:48:39,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (1/1) ... [2022-12-14 06:48:39,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:48:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:48:39,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:48:39,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:48:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:48:39,916 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:48:39,917 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:48:40,275 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:48:40,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:48:40,309 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-12-14 06:48:40,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:40 BoogieIcfgContainer [2022-12-14 06:48:40,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:48:40,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:48:40,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:48:40,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:48:40,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:48:39" (1/3) ... [2022-12-14 06:48:40,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f0c4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:48:40, skipping insertion in model container [2022-12-14 06:48:40,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:48:39" (2/3) ... [2022-12-14 06:48:40,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f0c4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:48:40, skipping insertion in model container [2022-12-14 06:48:40,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:48:40" (3/3) ... [2022-12-14 06:48:40,318 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets-1.i [2022-12-14 06:48:40,332 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:48:40,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-12-14 06:48:40,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:48:40,372 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;@54ede974, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:48:40,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-12-14 06:48:40,375 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 06:48:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 06:48:40,380 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:40,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 06:48:40,381 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 06:48:40,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:40,385 INFO L85 PathProgramCache]: Analyzing trace with hash 10203, now seen corresponding path program 1 times [2022-12-14 06:48:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:40,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293763011] [2022-12-14 06:48:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:40,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:40,556 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 06:48:40,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:40,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293763011] [2022-12-14 06:48:40,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293763011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:40,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:40,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:48:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56771757] [2022-12-14 06:48:40,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:40,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:48:40,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:40,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:48:40,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:48:40,588 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 06:48:40,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:40,729 INFO L93 Difference]: Finished difference Result 169 states and 177 transitions. [2022-12-14 06:48:40,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:48:40,731 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 06:48:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:40,739 INFO L225 Difference]: With dead ends: 169 [2022-12-14 06:48:40,739 INFO L226 Difference]: Without dead ends: 167 [2022-12-14 06:48:40,741 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 06:48:40,743 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 06:48:40,744 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 06:48:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-12-14 06:48:40,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 133. [2022-12-14 06:48:40,768 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 06:48:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2022-12-14 06:48:40,770 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 2 [2022-12-14 06:48:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:40,770 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2022-12-14 06:48:40,770 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 06:48:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2022-12-14 06:48:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 06:48:40,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:40,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 06:48:40,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:48:40,771 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 06:48:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 10204, now seen corresponding path program 1 times [2022-12-14 06:48:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:40,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372520294] [2022-12-14 06:48:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:40,825 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 06:48:40,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:40,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372520294] [2022-12-14 06:48:40,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372520294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:40,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:40,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:48:40,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362323363] [2022-12-14 06:48:40,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:40,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:48:40,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:40,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:48:40,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:48:40,829 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 06:48:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:40,941 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2022-12-14 06:48:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:48:40,941 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 06:48:40,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:40,942 INFO L225 Difference]: With dead ends: 166 [2022-12-14 06:48:40,942 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 06:48:40,942 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 06:48:40,943 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 06:48:40,943 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 06:48:40,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 06:48:40,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 129. [2022-12-14 06:48:40,948 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 06:48:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2022-12-14 06:48:40,949 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 2 [2022-12-14 06:48:40,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:40,949 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2022-12-14 06:48:40,949 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 06:48:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2022-12-14 06:48:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:48:40,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:40,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:48:40,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:48:40,950 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 06:48:40,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:40,950 INFO L85 PathProgramCache]: Analyzing trace with hash 841093034, now seen corresponding path program 1 times [2022-12-14 06:48:40,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:40,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699945361] [2022-12-14 06:48:40,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:40,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:41,106 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 06:48:41,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:41,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699945361] [2022-12-14 06:48:41,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699945361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:41,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:41,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:48:41,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276756882] [2022-12-14 06:48:41,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:41,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:48:41,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:41,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:48:41,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:48:41,114 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 06:48:41,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:41,280 INFO L93 Difference]: Finished difference Result 134 states and 142 transitions. [2022-12-14 06:48:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:48:41,280 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 06:48:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:41,281 INFO L225 Difference]: With dead ends: 134 [2022-12-14 06:48:41,281 INFO L226 Difference]: Without dead ends: 134 [2022-12-14 06:48:41,282 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 06:48:41,282 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 06:48:41,283 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 06:48:41,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-12-14 06:48:41,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2022-12-14 06:48:41,288 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 06:48:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 141 transitions. [2022-12-14 06:48:41,290 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 141 transitions. Word has length 6 [2022-12-14 06:48:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:41,290 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 141 transitions. [2022-12-14 06:48:41,290 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 06:48:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2022-12-14 06:48:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:48:41,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:41,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:48:41,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:48:41,291 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 06:48:41,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:41,292 INFO L85 PathProgramCache]: Analyzing trace with hash 841093035, now seen corresponding path program 1 times [2022-12-14 06:48:41,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:41,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859243264] [2022-12-14 06:48:41,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:41,461 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 06:48:41,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:41,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859243264] [2022-12-14 06:48:41,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859243264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:41,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:41,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:48:41,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483862197] [2022-12-14 06:48:41,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:41,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:48:41,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:41,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:48:41,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:48:41,463 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 06:48:41,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:41,623 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2022-12-14 06:48:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:48:41,623 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 06:48:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:41,624 INFO L225 Difference]: With dead ends: 122 [2022-12-14 06:48:41,624 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 06:48:41,624 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 06:48:41,625 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 06:48:41,625 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 06:48:41,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 06:48:41,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 06:48:41,628 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 06:48:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 137 transitions. [2022-12-14 06:48:41,629 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 137 transitions. Word has length 6 [2022-12-14 06:48:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:41,629 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 137 transitions. [2022-12-14 06:48:41,629 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 06:48:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 137 transitions. [2022-12-14 06:48:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:48:41,629 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:41,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:48:41,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:48:41,630 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 06:48:41,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:41,630 INFO L85 PathProgramCache]: Analyzing trace with hash 777962111, now seen corresponding path program 1 times [2022-12-14 06:48:41,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:41,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361831613] [2022-12-14 06:48:41,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:41,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:41,714 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 06:48:41,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:41,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361831613] [2022-12-14 06:48:41,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361831613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:41,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:41,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:48:41,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042117048] [2022-12-14 06:48:41,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:41,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:48:41,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:41,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:48:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:48:41,717 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 06:48:41,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:41,873 INFO L93 Difference]: Finished difference Result 129 states and 137 transitions. [2022-12-14 06:48:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:48:41,873 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 06:48:41,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:41,874 INFO L225 Difference]: With dead ends: 129 [2022-12-14 06:48:41,874 INFO L226 Difference]: Without dead ends: 129 [2022-12-14 06:48:41,874 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 06:48:41,875 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 06:48:41,875 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 06:48:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-14 06:48:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2022-12-14 06:48:41,878 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 06:48:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 136 transitions. [2022-12-14 06:48:41,879 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 136 transitions. Word has length 10 [2022-12-14 06:48:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:41,879 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 136 transitions. [2022-12-14 06:48:41,879 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 06:48:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 136 transitions. [2022-12-14 06:48:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:48:41,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:41,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:48:41,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:48:41,880 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 06:48:41,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash 777962112, now seen corresponding path program 1 times [2022-12-14 06:48:41,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:41,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864999202] [2022-12-14 06:48:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:42,010 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 06:48:42,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:42,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864999202] [2022-12-14 06:48:42,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864999202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:42,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:42,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:48:42,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179337955] [2022-12-14 06:48:42,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:42,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:48:42,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:42,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:48:42,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:48:42,012 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 06:48:42,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:42,144 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2022-12-14 06:48:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:48:42,145 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 06:48:42,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:42,145 INFO L225 Difference]: With dead ends: 121 [2022-12-14 06:48:42,145 INFO L226 Difference]: Without dead ends: 121 [2022-12-14 06:48:42,146 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 06:48:42,146 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 06:48:42,147 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 06:48:42,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-12-14 06:48:42,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-12-14 06:48:42,151 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 06:48:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 133 transitions. [2022-12-14 06:48:42,152 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 133 transitions. Word has length 10 [2022-12-14 06:48:42,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:42,152 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 133 transitions. [2022-12-14 06:48:42,153 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 06:48:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 133 transitions. [2022-12-14 06:48:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 06:48:42,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:42,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:48:42,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:48:42,154 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 06:48:42,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash 34701483, now seen corresponding path program 1 times [2022-12-14 06:48:42,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:42,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261398600] [2022-12-14 06:48:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:42,220 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 06:48:42,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:42,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261398600] [2022-12-14 06:48:42,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261398600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:42,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:42,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:48:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830391811] [2022-12-14 06:48:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:42,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:48:42,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:48:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:48:42,222 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 06:48:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:42,293 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-12-14 06:48:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:48:42,294 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 06:48:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:42,294 INFO L225 Difference]: With dead ends: 122 [2022-12-14 06:48:42,295 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 06:48:42,295 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 06:48:42,296 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 06:48:42,296 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 06:48:42,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 06:48:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 113. [2022-12-14 06:48:42,300 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 06:48:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2022-12-14 06:48:42,300 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 15 [2022-12-14 06:48:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:42,301 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2022-12-14 06:48:42,301 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 06:48:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2022-12-14 06:48:42,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 06:48:42,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:42,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:48:42,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:48:42,302 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 06:48:42,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash 34701484, now seen corresponding path program 1 times [2022-12-14 06:48:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:42,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49977389] [2022-12-14 06:48:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:42,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:42,404 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 06:48:42,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:42,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49977389] [2022-12-14 06:48:42,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49977389] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:42,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:42,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:48:42,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178265845] [2022-12-14 06:48:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:42,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:48:42,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:48:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:48:42,406 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 06:48:42,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:42,472 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2022-12-14 06:48:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:48:42,473 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 06:48:42,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:42,473 INFO L225 Difference]: With dead ends: 117 [2022-12-14 06:48:42,473 INFO L226 Difference]: Without dead ends: 117 [2022-12-14 06:48:42,474 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 06:48:42,474 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 06:48:42,475 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 06:48:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-12-14 06:48:42,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 108. [2022-12-14 06:48:42,478 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 06:48:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2022-12-14 06:48:42,479 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 15 [2022-12-14 06:48:42,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:42,479 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2022-12-14 06:48:42,479 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 06:48:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2022-12-14 06:48:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:48:42,480 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:42,480 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 06:48:42,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:48:42,480 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 06:48:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:42,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1011530333, now seen corresponding path program 1 times [2022-12-14 06:48:42,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:42,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136586090] [2022-12-14 06:48:42,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:42,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:42,545 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 06:48:42,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:42,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136586090] [2022-12-14 06:48:42,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136586090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:42,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:42,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:48:42,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895655872] [2022-12-14 06:48:42,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:42,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:48:42,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:42,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:48:42,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:48:42,547 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 06:48:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:42,634 INFO L93 Difference]: Finished difference Result 189 states and 220 transitions. [2022-12-14 06:48:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:48:42,634 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 06:48:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:42,636 INFO L225 Difference]: With dead ends: 189 [2022-12-14 06:48:42,636 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 06:48:42,636 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 06:48:42,637 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 06:48:42,637 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 06:48:42,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 06:48:42,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 111. [2022-12-14 06:48:42,640 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 06:48:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2022-12-14 06:48:42,641 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 17 [2022-12-14 06:48:42,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:42,641 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2022-12-14 06:48:42,641 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 06:48:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2022-12-14 06:48:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:48:42,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:42,641 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 06:48:42,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:48:42,641 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 06:48:42,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:42,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1011533735, now seen corresponding path program 1 times [2022-12-14 06:48:42,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:42,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561426351] [2022-12-14 06:48:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:42,727 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 06:48:42,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:42,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561426351] [2022-12-14 06:48:42,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561426351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:42,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:42,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:48:42,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132520004] [2022-12-14 06:48:42,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:42,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:48:42,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:42,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:48:42,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:48:42,729 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 06:48:42,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:42,857 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2022-12-14 06:48:42,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:48:42,858 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 06:48:42,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:42,859 INFO L225 Difference]: With dead ends: 153 [2022-12-14 06:48:42,859 INFO L226 Difference]: Without dead ends: 153 [2022-12-14 06:48:42,859 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 06:48:42,860 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 06:48:42,860 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 06:48:42,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-12-14 06:48:42,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 115. [2022-12-14 06:48:42,862 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 06:48:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2022-12-14 06:48:42,862 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 17 [2022-12-14 06:48:42,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:42,862 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2022-12-14 06:48:42,862 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 06:48:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2022-12-14 06:48:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:48:42,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:42,863 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 06:48:42,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:48:42,863 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 06:48:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1011533734, now seen corresponding path program 1 times [2022-12-14 06:48:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:42,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458886222] [2022-12-14 06:48:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:42,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:43,080 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 06:48:43,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:43,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458886222] [2022-12-14 06:48:43,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458886222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:43,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:43,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:48:43,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472948810] [2022-12-14 06:48:43,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:43,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:48:43,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:43,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:48:43,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:48:43,082 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 06:48:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:43,279 INFO L93 Difference]: Finished difference Result 193 states and 217 transitions. [2022-12-14 06:48:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:48:43,279 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 06:48:43,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:43,281 INFO L225 Difference]: With dead ends: 193 [2022-12-14 06:48:43,281 INFO L226 Difference]: Without dead ends: 193 [2022-12-14 06:48:43,281 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 06:48:43,282 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 378 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 06:48:43,282 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 06:48:43,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-12-14 06:48:43,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 145. [2022-12-14 06:48:43,286 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 06:48:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 182 transitions. [2022-12-14 06:48:43,287 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 182 transitions. Word has length 17 [2022-12-14 06:48:43,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:43,287 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 182 transitions. [2022-12-14 06:48:43,287 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 06:48:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 182 transitions. [2022-12-14 06:48:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 06:48:43,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:43,288 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 06:48:43,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:48:43,288 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 06:48:43,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1108004965, now seen corresponding path program 1 times [2022-12-14 06:48:43,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:43,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346810799] [2022-12-14 06:48:43,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:43,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:43,731 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 06:48:43,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:43,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346810799] [2022-12-14 06:48:43,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346810799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:43,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:43,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 06:48:43,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709757564] [2022-12-14 06:48:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:43,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:48:43,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:43,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:48:43,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:48:43,733 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 06:48:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:44,197 INFO L93 Difference]: Finished difference Result 173 states and 206 transitions. [2022-12-14 06:48:44,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 06:48:44,198 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 06:48:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:44,199 INFO L225 Difference]: With dead ends: 173 [2022-12-14 06:48:44,199 INFO L226 Difference]: Without dead ends: 173 [2022-12-14 06:48:44,199 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 06:48:44,200 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:48:44,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 287 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:48:44,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-12-14 06:48:44,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 150. [2022-12-14 06:48:44,203 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 06:48:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 185 transitions. [2022-12-14 06:48:44,204 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 185 transitions. Word has length 20 [2022-12-14 06:48:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:44,204 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 185 transitions. [2022-12-14 06:48:44,204 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 06:48:44,205 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2022-12-14 06:48:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 06:48:44,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:44,205 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 06:48:44,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:48:44,205 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 06:48:44,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:44,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2124656332, now seen corresponding path program 1 times [2022-12-14 06:48:44,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:44,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498525755] [2022-12-14 06:48:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:44,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:44,250 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 06:48:44,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:44,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498525755] [2022-12-14 06:48:44,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498525755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:44,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:44,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:48:44,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7759318] [2022-12-14 06:48:44,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:44,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:48:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:48:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:48:44,252 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 06:48:44,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:44,288 INFO L93 Difference]: Finished difference Result 148 states and 183 transitions. [2022-12-14 06:48:44,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:48:44,289 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 06:48:44,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:44,290 INFO L225 Difference]: With dead ends: 148 [2022-12-14 06:48:44,290 INFO L226 Difference]: Without dead ends: 148 [2022-12-14 06:48:44,290 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 06:48:44,290 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 06:48:44,290 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 06:48:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-12-14 06:48:44,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-12-14 06:48:44,292 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 06:48:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2022-12-14 06:48:44,293 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 22 [2022-12-14 06:48:44,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:44,293 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2022-12-14 06:48:44,293 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 06:48:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-12-14 06:48:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 06:48:44,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:44,294 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 06:48:44,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:48:44,294 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 06:48:44,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:44,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1282702039, now seen corresponding path program 1 times [2022-12-14 06:48:44,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:44,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862665989] [2022-12-14 06:48:44,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:44,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:44,356 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 06:48:44,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:44,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862665989] [2022-12-14 06:48:44,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862665989] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:44,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:48:44,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:48:44,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634821401] [2022-12-14 06:48:44,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:44,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:48:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:44,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:48:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:48:44,358 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 06:48:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:44,447 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2022-12-14 06:48:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:48:44,448 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 06:48:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:44,449 INFO L225 Difference]: With dead ends: 181 [2022-12-14 06:48:44,449 INFO L226 Difference]: Without dead ends: 181 [2022-12-14 06:48:44,449 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 06:48:44,450 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 06:48:44,450 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 06:48:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-12-14 06:48:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 150. [2022-12-14 06:48:44,452 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 06:48:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 185 transitions. [2022-12-14 06:48:44,452 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 185 transitions. Word has length 25 [2022-12-14 06:48:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:44,453 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 185 transitions. [2022-12-14 06:48:44,453 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 06:48:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2022-12-14 06:48:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 06:48:44,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:44,453 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 06:48:44,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:48:44,454 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 06:48:44,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:44,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1871700982, now seen corresponding path program 1 times [2022-12-14 06:48:44,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:44,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311783667] [2022-12-14 06:48:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:45,073 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 06:48:45,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:45,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311783667] [2022-12-14 06:48:45,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311783667] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:48:45,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979948289] [2022-12-14 06:48:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:45,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:48:45,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:48:45,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:48:45,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:48:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:48:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 06:48:45,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:48:45,241 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 06:48:45,262 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 06:48:45,262 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 06:48:45,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:48:45,310 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 06:48:45,329 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 06:48:45,348 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 06:48:45,348 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 06:48:45,394 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 06:48:45,521 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:48:45,521 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 06:48:45,540 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 06:48:45,613 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:48:45,614 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 06:48:45,671 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:48:45,672 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 06:48:45,691 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 06:48:45,750 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-14 06:48:45,751 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 06:48:45,799 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 06:48:45,836 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 06:48:46,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:46,043 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 06:48:46,081 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 06:48:46,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:48:46,459 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:48:46,459 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 06:48:48,501 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:48:48,501 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 06:48:48,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:48,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:48,516 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:48:48,516 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 06:48:48,528 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:48:48,528 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 06:48:48,625 INFO L321 Elim1Store]: treesize reduction 27, result has 77.7 percent of original size [2022-12-14 06:48:48,625 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 06:48:49,627 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 06:48:49,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979948289] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:48:49,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1782855055] [2022-12-14 06:48:49,645 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 06:48:49,646 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:48:49,649 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:48:49,654 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:48:49,655 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:48:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,701 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 06:48:49,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 06:48:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,722 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 06:48:49,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:48:49,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:48:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,765 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 06:48:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,775 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 06:48:49,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:48:49,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,799 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 06:48:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,809 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 06:48:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,819 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 06:48:49,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,852 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 06:48:49,852 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 06:48:49,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,881 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-12-14 06:48:49,882 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 06:48:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,893 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 06:48:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 06:48:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,938 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 06:48:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 06:48:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,968 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 06:48:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:49,996 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 06:48:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,010 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 06:48:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,027 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 06:48:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,122 INFO L321 Elim1Store]: treesize reduction 180, result has 18.6 percent of original size [2022-12-14 06:48:50,123 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 06:48:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,144 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 06:48:50,144 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 06:48:50,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,162 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 06:48:50,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,220 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-14 06:48:50,221 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 06:48:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,240 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 06:48:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,259 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 06:48:50,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,324 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-12-14 06:48:50,325 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 06:48:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,348 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 06:48:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,369 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 06:48:50,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,456 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 06:48:50,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,533 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 06:48:50,533 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 06:48:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,564 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 06:48:50,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,600 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 06:48:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:48:50,719 INFO L321 Elim1Store]: treesize reduction 79, result has 8.1 percent of original size [2022-12-14 06:48:50,720 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 06:48:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,766 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 06:48:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:50,791 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 06:48:51,000 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:48:57,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1782855055] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:48:57,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:48:57,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [14, 13, 12] total 55 [2022-12-14 06:48:57,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167871602] [2022-12-14 06:48:57,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:48:57,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 06:48:57,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:48:57,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 06:48:57,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=2480, Unknown=12, NotChecked=0, Total=3080 [2022-12-14 06:48:57,701 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 06:48:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:48:59,730 INFO L93 Difference]: Finished difference Result 174 states and 211 transitions. [2022-12-14 06:48:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 06:48:59,731 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 06:48:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:48:59,732 INFO L225 Difference]: With dead ends: 174 [2022-12-14 06:48:59,732 INFO L226 Difference]: Without dead ends: 174 [2022-12-14 06:48:59,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 37 SyntacticMatches, 7 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1492 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=588, Invalid=2480, Unknown=12, NotChecked=0, Total=3080 [2022-12-14 06:48:59,733 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 13 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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 06:48:59,733 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 06:48:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-12-14 06:48:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 167. [2022-12-14 06:48:59,735 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 06:48:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 205 transitions. [2022-12-14 06:48:59,736 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 205 transitions. Word has length 27 [2022-12-14 06:48:59,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:48:59,736 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 205 transitions. [2022-12-14 06:48:59,736 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 06:48:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 205 transitions. [2022-12-14 06:48:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 06:48:59,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:48:59,736 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 06:48:59,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:48:59,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 06:48:59,939 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 06:48:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:48:59,940 INFO L85 PathProgramCache]: Analyzing trace with hash 652721966, now seen corresponding path program 1 times [2022-12-14 06:48:59,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:48:59,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702507437] [2022-12-14 06:48:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:48:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:48:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:49:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:49:00,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:49:00,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702507437] [2022-12-14 06:49:00,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702507437] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:49:00,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603832188] [2022-12-14 06:49:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:49:00,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:49:00,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:49:00,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:49:00,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:49:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:49:00,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 06:49:00,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:49:00,413 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 06:49:00,425 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 06:49:00,425 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 06:49:00,434 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 06:49:00,463 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:49:00,463 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 06:49:00,480 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:49:00,480 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 06:49:00,491 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 06:49:00,491 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 06:49:00,522 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 06:49:00,522 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 06:49:00,596 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:49:00,597 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 06:49:00,602 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 06:49:00,649 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:49:00,650 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 06:49:00,685 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:49:00,685 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 06:49:00,761 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 06:49:00,762 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 06:49:00,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:00,828 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:00,829 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 06:49:00,834 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 06:49:00,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:49:01,053 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:01,054 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 06:49:01,145 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:01,145 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 06:49:01,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:01,152 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:01,152 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 06:49:01,159 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:01,159 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 06:49:01,166 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 06:49:01,167 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 06:49:01,253 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 06:49:01,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603832188] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:49:01,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1163154165] [2022-12-14 06:49:01,256 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2022-12-14 06:49:01,256 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:49:01,256 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:49:01,256 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:49:01,256 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:49:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,277 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 06:49:01,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:49:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,296 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 06:49:01,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:49:01,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:49:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,318 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 06:49:01,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:49:01,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,330 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 06:49:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,342 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 06:49:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,349 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 06:49:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,357 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 06:49:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,387 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 06:49:01,387 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 06:49:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,414 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-12-14 06:49:01,414 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 06:49:01,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,424 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 06:49:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,443 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 06:49:01,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,456 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 06:49:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,477 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 06:49:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,493 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 06:49:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,518 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 06:49:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,532 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 06:49:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,548 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 06:49:01,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:01,648 INFO L321 Elim1Store]: treesize reduction 180, result has 18.6 percent of original size [2022-12-14 06:49:01,648 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 06:49:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,670 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 06:49:01,671 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 06:49:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,690 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 06:49:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:01,797 INFO L321 Elim1Store]: treesize reduction 148, result has 21.7 percent of original size [2022-12-14 06:49:01,797 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 06:49:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,817 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 06:49:01,817 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 06:49:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,835 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 06:49:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:01,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:01,889 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-12-14 06:49:01,889 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 06:49:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,907 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 06:49:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:01,925 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 06:49:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:02,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:02,035 INFO L321 Elim1Store]: treesize reduction 80, result has 15.8 percent of original size [2022-12-14 06:49:02,036 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 06:49:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,056 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 06:49:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:02,072 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 06:49:02,742 INFO L321 Elim1Store]: treesize reduction 712, result has 10.2 percent of original size [2022-12-14 06:49:02,743 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 06:49:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:49:02,858 INFO L321 Elim1Store]: treesize reduction 398, result has 13.1 percent of original size [2022-12-14 06:49:02,858 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 06:49:03,258 INFO L321 Elim1Store]: treesize reduction 1148, result has 9.8 percent of original size [2022-12-14 06:49:03,258 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 06:49:03,559 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 06:49:03,560 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 06:49:03,684 INFO L321 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2022-12-14 06:49:03,684 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 06:49:03,756 INFO L321 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2022-12-14 06:49:03,756 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 06:49:05,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 06:49:05,231 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 06:49:05,231 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 06:49:05,321 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 06:49:05,325 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 06:49:05,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 06:49:05,347 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:49:09,319 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 06:49:09,319 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 06:49:09,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:49:09,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 29 [2022-12-14 06:49:09,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176427873] [2022-12-14 06:49:09,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 06:49:09,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 06:49:09,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:49:09,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 06:49:09,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=2525, Unknown=5, NotChecked=0, Total=2970 [2022-12-14 06:49:09,322 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 06:49:10,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:49:10,420 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2022-12-14 06:49:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 06:49:10,420 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 06:49:10,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:49:10,422 INFO L225 Difference]: With dead ends: 258 [2022-12-14 06:49:10,422 INFO L226 Difference]: Without dead ends: 258 [2022-12-14 06:49:10,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1650 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=658, Invalid=3759, Unknown=5, NotChecked=0, Total=4422 [2022-12-14 06:49:10,424 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 465 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 06:49:10,424 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 06:49:10,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-12-14 06:49:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 175. [2022-12-14 06:49:10,426 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 06:49:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 213 transitions. [2022-12-14 06:49:10,427 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 213 transitions. Word has length 28 [2022-12-14 06:49:10,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:49:10,427 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 213 transitions. [2022-12-14 06:49:10,427 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 06:49:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 213 transitions. [2022-12-14 06:49:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 06:49:10,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:49:10,427 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 06:49:10,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:49:10,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 06:49:10,629 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 06:49:10,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:49:10,630 INFO L85 PathProgramCache]: Analyzing trace with hash 652718564, now seen corresponding path program 1 times [2022-12-14 06:49:10,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:49:10,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617147969] [2022-12-14 06:49:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:49:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:49:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:49:11,064 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 06:49:11,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:49:11,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617147969] [2022-12-14 06:49:11,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617147969] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:49:11,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579901254] [2022-12-14 06:49:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:49:11,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:49:11,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:49:11,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:49:11,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28367530-ced4-4d3f-8ac9-e626926515dc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:49:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:49:11,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 06:49:11,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:49:11,182 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 06:49:11,192 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 06:49:11,193 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 06:49:11,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 06:49:11,221 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 06:49:11,228 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 06:49:11,236 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 06:49:11,237 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 06:49:11,248 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 06:49:11,306 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:49:11,306 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 06:49:11,317 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 06:49:11,370 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:49:11,371 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 06:49:11,410 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 06:49:11,411 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 06:49:11,461 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 06:49:11,461 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 06:49:11,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:49:11,574 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:11,574 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 06:49:11,582 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 06:49:11,585 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 06:49:11,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:49:11,743 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 06:49:11,831 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:11,832 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 06:49:11,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:11,993 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 06:49:12,026 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 06:49:12,026 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 06:49:12,055 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 06:49:12,055 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 06:49:12,066 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 06:49:12,067 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 06:49:12,147 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 06:49:12,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:12,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 204 [2022-12-14 06:49:12,498 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:12,499 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 06:49:12,518 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 06:49:12,843 INFO L321 Elim1Store]: treesize reduction 399, result has 24.4 percent of original size [2022-12-14 06:49:12,844 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 06:49:12,910 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 06:49:13,000 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:13,001 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 06:49:13,063 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 06:49:13,117 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:13,118 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 06:49:13,184 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 06:49:13,235 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:49:13,235 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 06:49:23,235 INFO L321 Elim1Store]: treesize reduction 41, result has 16.3 percent of original size [2022-12-14 06:49:23,235 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 06:55:51,913 WARN L233 SmtUtils]: Spent 6.47m 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 06:55:51,914 INFO L321 Elim1Store]: treesize reduction 4121, result has 9.8 percent of original size [2022-12-14 06:55:51,915 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