./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/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_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/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_d4080baa-03b8-40ce-b0e8-25c7bc953be6/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 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:56:36,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:56:36,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:56:36,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:56:36,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:56:36,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:56:36,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:56:36,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:56:36,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:56:36,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:56:36,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:56:36,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:56:36,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:56:36,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:56:36,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:56:36,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:56:36,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:56:36,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:56:36,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:56:36,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:56:36,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:56:36,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:56:36,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:56:36,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:56:36,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:56:36,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:56:36,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:56:36,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:56:36,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:56:36,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:56:36,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:56:36,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:56:36,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:56:36,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:56:36,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:56:36,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:56:36,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:56:36,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:56:36,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:56:36,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:56:36,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:56:36,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 10:56:36,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:56:36,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:56:36,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:56:36,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:56:36,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:56:36,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:56:36,601 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:56:36,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:56:36,602 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:56:36,602 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:56:36,602 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:56:36,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:56:36,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:56:36,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:56:36,603 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:56:36,603 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:56:36,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:56:36,603 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:56:36,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 10:56:36,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 10:56:36,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:56:36,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:56:36,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:56:36,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:56:36,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:56:36,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:56:36,606 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 10:56:36,606 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 10:56:36,606 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 10:56:36,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:56:36,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:56:36,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:56:36,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:56:36,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:56:36,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:56:36,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:56:36,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:56:36,608 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:56:36,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:56:36,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:56:36,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:56:36,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:56:36,609 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_d4080baa-03b8-40ce-b0e8-25c7bc953be6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2022-12-14 10:56:36,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:56:36,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:56:36,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:56:36,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:56:36,802 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:56:36,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-12-14 10:56:39,460 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:56:39,631 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:56:39,631 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-12-14 10:56:39,640 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/data/b68774d58/573c0724098e47319048165ac23bf38d/FLAGc7f917cf5 [2022-12-14 10:56:39,650 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/data/b68774d58/573c0724098e47319048165ac23bf38d [2022-12-14 10:56:39,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:56:39,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:56:39,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:56:39,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:56:39,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:56:39,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:39,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bde8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39, skipping insertion in model container [2022-12-14 10:56:39,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:39,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:56:39,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:56:39,926 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_d4080baa-03b8-40ce-b0e8-25c7bc953be6/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-12-14 10:56:39,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:56:39,938 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:56:39,975 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_d4080baa-03b8-40ce-b0e8-25c7bc953be6/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-12-14 10:56:39,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:56:39,996 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:56:39,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39 WrapperNode [2022-12-14 10:56:39,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:56:39,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:56:39,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:56:39,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:56:40,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,037 INFO L138 Inliner]: procedures = 122, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2022-12-14 10:56:40,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:56:40,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:56:40,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:56:40,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:56:40,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:56:40,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:56:40,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:56:40,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:56:40,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (1/1) ... [2022-12-14 10:56:40,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:56:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:56:40,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:56:40,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:56:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:56:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:56:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:56:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:56:40,225 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:56:40,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:56:40,479 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:56:40,509 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:56:40,510 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 10:56:40,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:56:40 BoogieIcfgContainer [2022-12-14 10:56:40,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:56:40,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:56:40,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:56:40,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:56:40,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:56:39" (1/3) ... [2022-12-14 10:56:40,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7f0003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:56:40, skipping insertion in model container [2022-12-14 10:56:40,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:56:39" (2/3) ... [2022-12-14 10:56:40,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7f0003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:56:40, skipping insertion in model container [2022-12-14 10:56:40,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:56:40" (3/3) ... [2022-12-14 10:56:40,519 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-2.i [2022-12-14 10:56:40,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:56:40,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-12-14 10:56:40,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:56:40,571 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;@2c904797, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:56:40,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-12-14 10:56:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 10:56:40,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:40,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 10:56:40,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:40,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:40,585 INFO L85 PathProgramCache]: Analyzing trace with hash 194673, now seen corresponding path program 1 times [2022-12-14 10:56:40,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:40,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159974248] [2022-12-14 10:56:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:40,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:40,759 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 10:56:40,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:40,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159974248] [2022-12-14 10:56:40,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159974248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:40,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:40,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:56:40,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857509179] [2022-12-14 10:56:40,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:40,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:56:40,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:40,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:56:40,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:56:40,799 INFO L87 Difference]: Start difference. First operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:40,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:40,851 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2022-12-14 10:56:40,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:56:40,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 10:56:40,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:40,859 INFO L225 Difference]: With dead ends: 95 [2022-12-14 10:56:40,859 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 10:56:40,860 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 10:56:40,862 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 24 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:40,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 134 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:56:40,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 10:56:40,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-12-14 10:56:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-12-14 10:56:40,887 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 3 [2022-12-14 10:56:40,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:40,887 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-12-14 10:56:40,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-12-14 10:56:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 10:56:40,888 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:40,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 10:56:40,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:56:40,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:40,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:40,889 INFO L85 PathProgramCache]: Analyzing trace with hash 5879945, now seen corresponding path program 1 times [2022-12-14 10:56:40,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:40,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358871487] [2022-12-14 10:56:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:40,943 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 10:56:40,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:40,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358871487] [2022-12-14 10:56:40,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358871487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:40,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:40,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:56:40,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107881205] [2022-12-14 10:56:40,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:40,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:56:40,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:40,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:56:40,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:56:40,946 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:41,022 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2022-12-14 10:56:41,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:56:41,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 10:56:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:41,023 INFO L225 Difference]: With dead ends: 93 [2022-12-14 10:56:41,023 INFO L226 Difference]: Without dead ends: 93 [2022-12-14 10:56:41,024 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 10:56:41,025 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 69 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:41,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:56:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-14 10:56:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-12-14 10:56:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 2.0555555555555554) internal successors, (74), 65 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2022-12-14 10:56:41,030 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 4 [2022-12-14 10:56:41,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:41,030 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2022-12-14 10:56:41,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-12-14 10:56:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 10:56:41,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:41,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 10:56:41,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:56:41,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:41,031 INFO L85 PathProgramCache]: Analyzing trace with hash 5879946, now seen corresponding path program 1 times [2022-12-14 10:56:41,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:41,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038627275] [2022-12-14 10:56:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:41,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:41,091 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 10:56:41,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:41,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038627275] [2022-12-14 10:56:41,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038627275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:41,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:41,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:56:41,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691412944] [2022-12-14 10:56:41,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:41,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:56:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:41,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:56:41,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:56:41,094 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:41,143 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-12-14 10:56:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:56:41,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 10:56:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:41,144 INFO L225 Difference]: With dead ends: 61 [2022-12-14 10:56:41,144 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 10:56:41,145 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 10:56:41,146 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:41,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 38 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:56:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 10:56:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-14 10:56:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-12-14 10:56:41,149 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 4 [2022-12-14 10:56:41,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:41,150 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-12-14 10:56:41,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-12-14 10:56:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 10:56:41,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:41,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:41,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:56:41,150 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:41,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:41,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1433882384, now seen corresponding path program 1 times [2022-12-14 10:56:41,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:41,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979695033] [2022-12-14 10:56:41,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:41,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:41,209 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 10:56:41,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:41,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979695033] [2022-12-14 10:56:41,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979695033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:41,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:41,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:56:41,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970146970] [2022-12-14 10:56:41,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:41,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:56:41,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:41,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:56:41,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:56:41,211 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:41,243 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-12-14 10:56:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:56:41,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 10:56:41,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:41,245 INFO L225 Difference]: With dead ends: 69 [2022-12-14 10:56:41,245 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 10:56:41,245 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 10:56:41,246 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:41,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 105 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:56:41,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 10:56:41,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-12-14 10:56:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-12-14 10:56:41,250 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 10 [2022-12-14 10:56:41,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:41,250 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-12-14 10:56:41,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-12-14 10:56:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 10:56:41,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:41,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:41,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:56:41,251 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:41,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:41,251 INFO L85 PathProgramCache]: Analyzing trace with hash -723371876, now seen corresponding path program 1 times [2022-12-14 10:56:41,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:41,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561224287] [2022-12-14 10:56:41,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:41,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:41,327 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 10:56:41,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:41,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561224287] [2022-12-14 10:56:41,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561224287] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:56:41,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101749246] [2022-12-14 10:56:41,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:41,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:56:41,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:56:41,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:56:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:41,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:56:41,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:56:41,439 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 10:56:41,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:56:41,462 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 10:56:41,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101749246] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:56:41,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1605478030] [2022-12-14 10:56:41,476 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 10:56:41,476 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:56:41,479 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:56:41,483 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:56:41,483 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:56:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,574 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 10:56:41,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:56:41,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:56:41,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:41,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:41,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:56:41,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:41,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:41,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:41,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:41,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:41,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:41,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:41,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,879 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 10:56:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:56:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:56:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:56:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:41,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:56:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:56:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:56:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,141 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-12-14 10:56:42,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-12-14 10:56:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,161 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:42,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,180 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:42,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:42,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,283 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:42,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:42,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,316 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:42,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:42,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,345 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:42,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:42,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,458 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:42,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,503 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:42,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,535 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:42,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:56:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:56:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:56:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,779 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:42,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,794 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:42,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,832 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-12-14 10:56:42,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-12-14 10:56:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,929 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:42,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:42,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:42,954 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:42,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:42,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:42,977 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:42,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,065 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:43,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,093 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:43,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,121 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:43,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:56:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 274 [2022-12-14 10:56:43,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:43,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 274 [2022-12-14 10:56:43,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:43,317 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 10:56:43,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 279 treesize of output 282 [2022-12-14 10:56:43,341 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:56:46,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1605478030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:46,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:56:46,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 14 [2022-12-14 10:56:46,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115703172] [2022-12-14 10:56:46,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:46,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:56:46,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:46,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:56:46,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:56:46,144 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:46,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:46,729 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2022-12-14 10:56:46,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:56:46,730 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 10:56:46,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:46,730 INFO L225 Difference]: With dead ends: 80 [2022-12-14 10:56:46,730 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 10:56:46,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:56:46,731 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:46,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 144 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 10:56:46,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 10:56:46,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2022-12-14 10:56:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 76 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2022-12-14 10:56:46,737 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 12 [2022-12-14 10:56:46,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:46,737 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2022-12-14 10:56:46,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-12-14 10:56:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:56:46,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:46,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 10:56:46,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:56:46,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:46,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:46,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:46,941 INFO L85 PathProgramCache]: Analyzing trace with hash -708667259, now seen corresponding path program 1 times [2022-12-14 10:56:46,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:46,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728113909] [2022-12-14 10:56:46,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:46,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:56:47,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:47,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728113909] [2022-12-14 10:56:47,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728113909] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:56:47,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273985710] [2022-12-14 10:56:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:47,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:47,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:56:47,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:56:47,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:56:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:47,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 10:56:47,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:56:47,240 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 10:56:47,263 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:56:47,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 10:56:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:56:47,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:56:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:56:47,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273985710] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:56:47,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [460885162] [2022-12-14 10:56:47,361 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 10:56:47,361 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:56:47,361 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:56:47,362 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:56:47,362 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:56:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,377 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 10:56:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:56:47,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:47,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:47,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:56:47,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:47,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:47,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:56:47,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:47,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:56:47,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:47,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,550 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 10:56:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:56:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:56:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:56:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:56:47,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:56:47,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:56:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,733 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-12-14 10:56:47,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-12-14 10:56:47,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,749 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:47,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:47,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:47,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:47,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,825 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:47,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,851 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:47,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:47,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,871 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:47,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,938 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:47,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,967 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:47,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:47,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:47,991 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:47,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:48,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:56:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:56:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:48,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:48,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:56:48,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,198 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:48,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,234 INFO L321 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-12-14 10:56:48,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 322 [2022-12-14 10:56:48,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,254 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:48,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 316 [2022-12-14 10:56:48,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,348 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:48,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:48,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,376 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:48,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 323 treesize of output 325 [2022-12-14 10:56:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,407 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:48,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,489 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:48,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 325 [2022-12-14 10:56:48,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,514 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:48,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,536 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:56:48,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 332 treesize of output 337 [2022-12-14 10:56:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,651 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 10:56:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 290 [2022-12-14 10:56:48,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,775 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 10:56:48,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 295 treesize of output 298 [2022-12-14 10:56:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:48,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 290 [2022-12-14 10:56:48,818 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:56:51,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [460885162] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:51,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:56:51,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-12-14 10:56:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927203123] [2022-12-14 10:56:51,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:51,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 10:56:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:51,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 10:56:51,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:56:51,773 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:52,270 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-12-14 10:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 10:56:52,270 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 10:56:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:52,271 INFO L225 Difference]: With dead ends: 78 [2022-12-14 10:56:52,271 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 10:56:52,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:56:52,272 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:52,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 10:56:52,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 10:56:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-14 10:56:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 77 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2022-12-14 10:56:52,275 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 19 [2022-12-14 10:56:52,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:52,275 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2022-12-14 10:56:52,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-12-14 10:56:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:56:52,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:52,275 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:52,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 10:56:52,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:52,477 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2142036141, now seen corresponding path program 1 times [2022-12-14 10:56:52,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:52,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042687161] [2022-12-14 10:56:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:56:52,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:52,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042687161] [2022-12-14 10:56:52,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042687161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:52,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:52,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:52,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667479747] [2022-12-14 10:56:52,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:52,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:56:52,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:52,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:56:52,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:52,609 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:52,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:52,709 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2022-12-14 10:56:52,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:56:52,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-14 10:56:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:52,710 INFO L225 Difference]: With dead ends: 94 [2022-12-14 10:56:52,710 INFO L226 Difference]: Without dead ends: 94 [2022-12-14 10:56:52,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:56:52,711 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 165 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:52,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:56:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-12-14 10:56:52,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2022-12-14 10:56:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.5) internal successors, (84), 71 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-12-14 10:56:52,716 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2022-12-14 10:56:52,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:52,716 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-12-14 10:56:52,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-12-14 10:56:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:56:52,717 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:52,717 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:52,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:56:52,717 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:52,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:52,717 INFO L85 PathProgramCache]: Analyzing trace with hash -2142036140, now seen corresponding path program 1 times [2022-12-14 10:56:52,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:52,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500120407] [2022-12-14 10:56:52,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:52,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:56:52,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:52,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500120407] [2022-12-14 10:56:52,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500120407] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:56:52,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260519900] [2022-12-14 10:56:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:52,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:52,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:56:52,829 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:56:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 10:56:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:52,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 10:56:52,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:56:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:56:52,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:56:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:56:52,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260519900] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:56:52,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [371859915] [2022-12-14 10:56:52,964 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-12-14 10:56:52,964 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:56:52,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:56:52,964 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:56:52,964 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:56:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:52,979 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 10:56:52,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:52,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:56:53,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:53,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:56:53,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:53,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:53,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:53,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:56:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:53,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:53,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:53,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:53,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:56:53,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:56:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:56:53,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 10:56:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,367 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:53,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:56:53,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,390 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:56:53,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:56:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,411 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:56:53,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:56:53,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,496 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:56:53,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:56:53,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,525 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:53,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:56:53,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,555 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:56:53,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:56:53,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,694 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:56:53,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-12-14 10:56:53,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:53,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,723 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:53,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 319 [2022-12-14 10:56:53,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:53,748 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:56:53,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 350 treesize of output 351 [2022-12-14 10:56:54,025 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:56:54,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 572 treesize of output 565 [2022-12-14 10:56:54,268 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 10:56:54,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 494 [2022-12-14 10:56:54,367 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:56:54,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 610 treesize of output 606 [2022-12-14 10:56:54,428 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-12-14 10:56:54,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 584 [2022-12-14 10:56:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,611 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 10:56:54,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-12-14 10:56:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:54,707 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:56:54,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 619 treesize of output 618 [2022-12-14 10:56:54,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,769 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 10:56:54,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-12-14 10:56:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,903 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 10:56:54,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-12-14 10:56:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:54,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,012 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:56:55,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 628 treesize of output 630 [2022-12-14 10:56:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:55,067 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 10:56:55,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-12-14 10:56:55,125 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 10:56:55,128 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 10:56:55,132 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 10:56:55,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:55,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:55,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:55,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:55,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,171 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:55,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:56:55,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,187 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:56:55,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:56:55,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:56:55,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:56:55,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:55,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:55,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:55,235 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 10:56:55,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:55,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:55,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 10:56:55,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:55,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:55,277 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 10:56:55,281 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 10:56:55,285 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 10:56:55,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:55,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:55,306 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 10:56:55,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:55,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,333 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:55,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:56:55,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,349 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:56:55,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:56:55,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:56:55,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:56:55,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,445 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:56:55,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:56:55,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:55,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:55,499 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 10:56:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:55,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:55,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:55,511 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:56:55,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 167 [2022-12-14 10:56:55,530 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 10:56:55,542 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:56:56,443 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1499#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (not (< 0 |ULTIMATE.start_dll_create_~len#1|)) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 10:56:56,444 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:56:56,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:56:56,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-14 10:56:56,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774573498] [2022-12-14 10:56:56,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:56:56,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 10:56:56,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:56,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 10:56:56,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-12-14 10:56:56,446 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:56,478 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2022-12-14 10:56:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:56:56,478 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-14 10:56:56,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:56,479 INFO L225 Difference]: With dead ends: 128 [2022-12-14 10:56:56,479 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 10:56:56,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-12-14 10:56:56,480 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 17 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:56,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 275 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:56:56,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 10:56:56,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2022-12-14 10:56:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 123 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2022-12-14 10:56:56,485 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 22 [2022-12-14 10:56:56,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:56,485 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-12-14 10:56:56,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-12-14 10:56:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 10:56:56,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:56,485 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-12-14 10:56:56,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 10:56:56,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:56,686 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:56:56,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:56,687 INFO L85 PathProgramCache]: Analyzing trace with hash -57014801, now seen corresponding path program 1 times [2022-12-14 10:56:56,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:56,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520622649] [2022-12-14 10:56:56,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:56,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 10:56:56,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:56,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520622649] [2022-12-14 10:56:56,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520622649] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:56:56,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352338320] [2022-12-14 10:56:56,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:56,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:56:56,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:56:56,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:56:56,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 10:56:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:56,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 10:56:56,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:56:56,964 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 10:56:56,967 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 10:56:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,024 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 10:56:57,030 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:56:57,030 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 10:56:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 10:56:57,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:56:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 10:56:57,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352338320] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:56:57,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1612897473] [2022-12-14 10:56:57,256 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 10:56:57,256 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:56:57,257 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:56:57,257 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:56:57,257 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:56:57,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,275 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 10:56:57,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:57,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:57,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:56:57,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:56:57,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:57,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:56:57,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:57,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:56:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:57,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:56:57,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:56:57,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:56:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:56:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:56:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:56:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:56:57,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,616 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:57,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 313 treesize of output 300 [2022-12-14 10:56:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,653 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 10:56:57,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 307 treesize of output 306 [2022-12-14 10:56:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,668 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:56:57,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 313 treesize of output 300 [2022-12-14 10:56:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,733 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:57,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 322 treesize of output 309 [2022-12-14 10:56:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,761 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:56:57,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 307 treesize of output 309 [2022-12-14 10:56:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,783 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:56:57,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 307 treesize of output 309 [2022-12-14 10:56:57,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,852 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:56:57,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 316 treesize of output 321 [2022-12-14 10:56:57,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,881 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:56:57,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 316 treesize of output 321 [2022-12-14 10:56:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:57,914 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:57,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 322 treesize of output 309 [2022-12-14 10:56:57,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:57,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,008 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:56:58,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 322 treesize of output 309 [2022-12-14 10:56:58,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,036 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:56:58,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 325 treesize of output 326 [2022-12-14 10:56:58,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,060 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:56:58,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 321 treesize of output 322 [2022-12-14 10:56:58,309 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:56:58,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 510 treesize of output 511 [2022-12-14 10:56:58,439 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:56:58,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-12-14 10:56:58,528 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:56:58,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-12-14 10:56:58,567 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:56:58,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 537 [2022-12-14 10:56:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,701 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:56:58,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:56:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,806 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:56:58,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-12-14 10:56:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,854 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:56:58,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:56:58,895 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 10:56:58,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:58,901 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 10:56:58,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 10:56:58,909 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 10:56:58,913 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 10:56:58,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:58,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 10:56:58,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:58,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,947 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:56:58,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:56:58,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:58,961 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:58,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:56:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:58,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 10:56:58,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:56:58,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:56:58,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:59,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:56:59,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:59,012 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 10:56:59,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:59,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:56:59,027 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 10:56:59,030 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 10:56:59,033 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 10:56:59,039 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 10:56:59,043 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 10:56:59,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 10:56:59,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:59,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:56:59,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 10:56:59,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:59,088 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:56:59,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:56:59,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:59,100 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:56:59,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:56:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:56:59,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 10:56:59,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:56:59,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:56:59,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:59,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:56:59,183 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:56:59,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:56:59,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:56:59,206 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:00,101 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1939#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< (select |#length| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 16)) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= |ULTIMATE.start_dll_create_~len#1| 5) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 16 |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 20) (select |#length| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))' at error location [2022-12-14 10:57:00,101 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:00,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:00,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-12-14 10:57:00,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831421309] [2022-12-14 10:57:00,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:00,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:57:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:00,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:57:00,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-12-14 10:57:00,102 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:00,242 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2022-12-14 10:57:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:57:00,242 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-14 10:57:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:00,243 INFO L225 Difference]: With dead ends: 143 [2022-12-14 10:57:00,243 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 10:57:00,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2022-12-14 10:57:00,243 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 315 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:00,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 64 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:57:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 10:57:00,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2022-12-14 10:57:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 119 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2022-12-14 10:57:00,246 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 29 [2022-12-14 10:57:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:00,247 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-12-14 10:57:00,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:00,247 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-12-14 10:57:00,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 10:57:00,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:00,247 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-12-14 10:57:00,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 10:57:00,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 10:57:00,449 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:00,450 INFO L85 PathProgramCache]: Analyzing trace with hash -67157989, now seen corresponding path program 2 times [2022-12-14 10:57:00,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:00,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784115423] [2022-12-14 10:57:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 10:57:00,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:00,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784115423] [2022-12-14 10:57:00,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784115423] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:00,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795095767] [2022-12-14 10:57:00,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 10:57:00,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:00,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:00,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 10:57:00,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 10:57:00,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 10:57:00,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 10:57:00,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 10:57:00,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:57:00,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795095767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:00,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:57:00,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-12-14 10:57:00,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910902239] [2022-12-14 10:57:00,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:00,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:57:00,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:00,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:57:00,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:57:00,722 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:00,815 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2022-12-14 10:57:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:57:00,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-12-14 10:57:00,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:00,816 INFO L225 Difference]: With dead ends: 147 [2022-12-14 10:57:00,816 INFO L226 Difference]: Without dead ends: 147 [2022-12-14 10:57:00,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:57:00,817 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 282 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:00,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 43 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:57:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-12-14 10:57:00,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-12-14 10:57:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 136 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2022-12-14 10:57:00,821 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 49 [2022-12-14 10:57:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:00,821 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2022-12-14 10:57:00,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-12-14 10:57:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 10:57:00,822 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:00,822 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:00,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 10:57:01,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 10:57:01,022 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:01,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:01,023 INFO L85 PathProgramCache]: Analyzing trace with hash 751112272, now seen corresponding path program 1 times [2022-12-14 10:57:01,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:01,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447946607] [2022-12-14 10:57:01,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:01,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 10:57:01,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:01,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447946607] [2022-12-14 10:57:01,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447946607] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:01,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805226250] [2022-12-14 10:57:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:01,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:01,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:01,111 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:01,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 10:57:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:57:01,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 10:57:01,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 10:57:01,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805226250] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:01,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [994515193] [2022-12-14 10:57:01,290 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 10:57:01,290 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:01,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:01,290 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:01,290 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:01,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,308 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 10:57:01,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:01,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:01,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:01,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:01,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:01,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:01,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:01,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:01,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:01,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:57:01,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:57:01,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:57:01,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:57:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:01,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:57:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:01,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 10:57:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,666 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:01,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 10:57:01,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,692 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:57:01,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 339 treesize of output 341 [2022-12-14 10:57:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,717 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:57:01,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 339 treesize of output 341 [2022-12-14 10:57:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,789 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:01,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 10:57:01,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,810 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:57:01,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 353 [2022-12-14 10:57:01,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,833 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:57:01,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 353 [2022-12-14 10:57:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,922 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:01,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 10:57:01,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,946 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:01,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 357 treesize of output 358 [2022-12-14 10:57:01,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:01,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:01,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 354 [2022-12-14 10:57:02,158 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:02,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 510 treesize of output 511 [2022-12-14 10:57:02,285 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:57:02,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-12-14 10:57:02,368 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:57:02,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-12-14 10:57:02,409 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:57:02,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 537 [2022-12-14 10:57:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,505 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:02,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:57:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,541 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:02,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:57:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:02,609 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:57:02,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-12-14 10:57:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,690 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:02,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:57:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:02,779 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:57:02,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-12-14 10:57:02,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,812 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:02,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:57:02,885 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 10:57:02,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:02,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:02,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:02,900 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 10:57:02,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:02,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:02,920 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:02,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:02,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:02,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:02,938 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:02,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:02,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:02,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:02,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:02,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:02,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:02,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:02,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,983 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 10:57:02,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:02,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 10:57:02,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:03,006 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 10:57:03,009 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 10:57:03,012 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 10:57:03,018 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 10:57:03,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:03,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:03,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:03,048 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:03,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:03,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:03,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:03,067 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:03,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:03,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:03,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:03,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:03,164 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:03,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:03,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:03,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:03,227 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 10:57:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:03,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:03,239 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:03,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 167 [2022-12-14 10:57:03,264 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 10:57:03,268 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:04,839 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2969#(and (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~1#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 10:57:04,839 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:04,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:04,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-12-14 10:57:04,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517440970] [2022-12-14 10:57:04,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:04,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:57:04,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:04,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:57:04,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-12-14 10:57:04,841 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:04,879 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-12-14 10:57:04,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:57:04,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-12-14 10:57:04,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:04,880 INFO L225 Difference]: With dead ends: 110 [2022-12-14 10:57:04,880 INFO L226 Difference]: Without dead ends: 110 [2022-12-14 10:57:04,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-12-14 10:57:04,881 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 96 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:04,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:57:04,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-14 10:57:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-12-14 10:57:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-12-14 10:57:04,885 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 52 [2022-12-14 10:57:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:04,886 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-12-14 10:57:04,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-12-14 10:57:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 10:57:04,887 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:04,887 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:04,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-14 10:57:05,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:05,089 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:05,090 INFO L85 PathProgramCache]: Analyzing trace with hash 751647922, now seen corresponding path program 2 times [2022-12-14 10:57:05,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:05,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411308864] [2022-12-14 10:57:05,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:05,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 10:57:05,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:05,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411308864] [2022-12-14 10:57:05,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411308864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:05,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:05,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:57:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520907749] [2022-12-14 10:57:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:05,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:57:05,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:57:05,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:05,266 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:05,339 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-12-14 10:57:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:57:05,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-12-14 10:57:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:05,340 INFO L225 Difference]: With dead ends: 118 [2022-12-14 10:57:05,340 INFO L226 Difference]: Without dead ends: 118 [2022-12-14 10:57:05,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:57:05,341 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 195 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:05,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 58 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:57:05,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-14 10:57:05,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-12-14 10:57:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 109 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-12-14 10:57:05,345 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 55 [2022-12-14 10:57:05,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:05,345 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-12-14 10:57:05,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-12-14 10:57:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 10:57:05,346 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:05,346 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:05,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:57:05,347 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:05,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1390737273, now seen corresponding path program 1 times [2022-12-14 10:57:05,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:05,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68449228] [2022-12-14 10:57:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 10:57:05,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:05,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68449228] [2022-12-14 10:57:05,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68449228] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:05,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969810766] [2022-12-14 10:57:05,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:05,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:05,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:05,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 10:57:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:06,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-14 10:57:06,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:06,075 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 10:57:06,090 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:57:06,091 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 10:57:06,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,123 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 10:57:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,148 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 10:57:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,159 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 10:57:06,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 10:57:06,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-12-14 10:57:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 10:57:06,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:06,255 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1876 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1876) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2022-12-14 10:57:06,262 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1876 (Array Int Int)) (v_ArrVal_1875 Int)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_1875)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1876) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2022-12-14 10:57:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-12-14 10:57:06,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969810766] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:06,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1972932111] [2022-12-14 10:57:06,317 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-12-14 10:57:06,317 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:06,317 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:06,317 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:06,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,336 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 10:57:06,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:06,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:06,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:06,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:06,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:06,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:06,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:06,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:06,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:06,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,520 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 10:57:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:06,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:57:06,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:06,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:57:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 10:57:06,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:06,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,755 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:06,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 355 treesize of output 357 [2022-12-14 10:57:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,782 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:06,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 361 treesize of output 342 [2022-12-14 10:57:06,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,804 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:06,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 357 [2022-12-14 10:57:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,895 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:06,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 361 treesize of output 342 [2022-12-14 10:57:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,921 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:06,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 369 [2022-12-14 10:57:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:06,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:06,943 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:06,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 369 [2022-12-14 10:57:07,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:07,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:07,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:07,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:07,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,050 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:07,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 361 treesize of output 342 [2022-12-14 10:57:07,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:07,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:07,075 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:07,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 373 treesize of output 372 [2022-12-14 10:57:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 366 [2022-12-14 10:57:07,280 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:07,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 610 treesize of output 603 [2022-12-14 10:57:07,424 INFO L321 Elim1Store]: treesize reduction 248, result has 16.5 percent of original size [2022-12-14 10:57:07,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 652 treesize of output 532 [2022-12-14 10:57:07,540 INFO L321 Elim1Store]: treesize reduction 752, result has 11.1 percent of original size [2022-12-14 10:57:07,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 648 treesize of output 644 [2022-12-14 10:57:07,587 INFO L321 Elim1Store]: treesize reduction 248, result has 15.4 percent of original size [2022-12-14 10:57:07,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 652 treesize of output 595 [2022-12-14 10:57:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:07,775 INFO L321 Elim1Store]: treesize reduction 860, result has 9.2 percent of original size [2022-12-14 10:57:07,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 657 treesize of output 656 [2022-12-14 10:57:07,848 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-12-14 10:57:07,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 532 [2022-12-14 10:57:07,898 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-12-14 10:57:07,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 595 [2022-12-14 10:57:08,024 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-12-14 10:57:08,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 532 [2022-12-14 10:57:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,185 INFO L321 Elim1Store]: treesize reduction 976, result has 8.2 percent of original size [2022-12-14 10:57:08,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 666 treesize of output 668 [2022-12-14 10:57:08,248 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-12-14 10:57:08,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 656 treesize of output 595 [2022-12-14 10:57:08,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:08,312 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 10:57:08,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:08,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:08,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:08,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:08,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:08,346 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:08,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:08,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:08,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:08,362 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:08,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:08,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:08,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:08,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:08,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:08,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:08,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,396 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 10:57:08,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:08,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:08,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,411 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 10:57:08,419 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 10:57:08,422 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 10:57:08,424 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 10:57:08,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:08,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:08,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:08,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:08,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:08,467 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:08,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:08,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:08,484 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:08,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:08,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:08,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:08,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:08,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:08,680 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:08,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:08,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:08,744 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 10:57:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:08,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:08,756 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:08,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:08,787 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 10:57:08,798 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:10,950 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3811#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 10:57:10,951 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:10,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:10,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 20 [2022-12-14 10:57:10,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125531258] [2022-12-14 10:57:10,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:10,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 10:57:10,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:10,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 10:57:10,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=897, Unknown=2, NotChecked=126, Total=1190 [2022-12-14 10:57:10,953 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:11,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:11,456 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2022-12-14 10:57:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 10:57:11,457 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-12-14 10:57:11,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:11,458 INFO L225 Difference]: With dead ends: 137 [2022-12-14 10:57:11,458 INFO L226 Difference]: Without dead ends: 137 [2022-12-14 10:57:11,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 151 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=345, Invalid=1731, Unknown=2, NotChecked=178, Total=2256 [2022-12-14 10:57:11,460 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 597 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 197 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:11,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 212 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 363 Invalid, 0 Unknown, 197 Unchecked, 0.2s Time] [2022-12-14 10:57:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-12-14 10:57:11,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-12-14 10:57:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.309278350515464) internal successors, (127), 111 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-12-14 10:57:11,463 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 59 [2022-12-14 10:57:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:11,463 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-12-14 10:57:11,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-12-14 10:57:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 10:57:11,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:11,464 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:11,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 10:57:11,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 10:57:11,664 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:11,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash -26602179, now seen corresponding path program 1 times [2022-12-14 10:57:11,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:11,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265148402] [2022-12-14 10:57:11,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:11,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 10:57:12,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:12,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265148402] [2022-12-14 10:57:12,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265148402] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:12,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187778930] [2022-12-14 10:57:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:12,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:12,401 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:12,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 10:57:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:12,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 10:57:12,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:12,610 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 10:57:12,628 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:57:12,628 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 10:57:12,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:12,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:12,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:12,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:12,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 10:57:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 10:57:12,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:12,842 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2255 Int) (v_ArrVal_2257 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_2255)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2257) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0)) is different from false [2022-12-14 10:57:12,942 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:12,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 43 [2022-12-14 10:57:12,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 10:57:12,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 10:57:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-12-14 10:57:12,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187778930] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:12,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1448625559] [2022-12-14 10:57:12,994 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 10:57:12,994 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:12,994 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:12,994 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:12,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,009 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 10:57:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:13,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:13,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:13,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:13,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:13,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:13,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:13,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:13,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:13,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:13,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:57:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:57:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:57:13,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:57:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:57:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 10:57:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:57:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,358 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:13,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:57:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,383 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:57:13,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:57:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,416 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:57:13,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:57:13,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,511 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:13,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:57:13,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,540 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:57:13,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:57:13,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,563 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:57:13,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:57:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,658 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:13,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:57:13,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,683 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:13,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-12-14 10:57:13,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:13,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:13,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 351 [2022-12-14 10:57:13,886 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:13,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 537 treesize of output 538 [2022-12-14 10:57:14,021 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:57:14,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-12-14 10:57:14,053 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:57:14,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 564 [2022-12-14 10:57:14,124 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:57:14,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-12-14 10:57:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,233 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:14,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:14,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,308 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:57:14,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-12-14 10:57:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,343 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:14,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,500 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:57:14,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-12-14 10:57:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,549 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:14,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,581 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:14,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:14,657 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 10:57:14,661 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 10:57:14,664 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 10:57:14,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:14,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:14,678 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 10:57:14,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:14,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,698 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:14,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:14,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,708 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:14,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:14,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:14,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:14,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:14,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:14,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,743 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 10:57:14,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:14,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:14,758 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 10:57:14,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:14,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:14,774 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 10:57:14,777 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 10:57:14,780 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 10:57:14,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:14,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:14,795 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 10:57:14,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:14,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,817 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:14,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:14,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,832 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:14,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:14,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:14,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:14,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:14,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:14,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:14,991 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:14,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:15,039 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 10:57:15,043 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 10:57:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:15,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:15,054 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:15,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:15,079 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:17,714 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4485#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 12) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 10:57:17,714 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:17,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:17,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 25 [2022-12-14 10:57:17,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558179779] [2022-12-14 10:57:17,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:17,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 10:57:17,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:17,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 10:57:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1402, Unknown=13, NotChecked=78, Total=1722 [2022-12-14 10:57:17,716 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 25 states, 25 states have (on average 3.6) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:18,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:18,152 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2022-12-14 10:57:18,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:57:18,152 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.6) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-12-14 10:57:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:18,153 INFO L225 Difference]: With dead ends: 137 [2022-12-14 10:57:18,153 INFO L226 Difference]: Without dead ends: 137 [2022-12-14 10:57:18,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 149 SyntacticMatches, 7 SemanticMatches, 53 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=462, Invalid=2389, Unknown=15, NotChecked=104, Total=2970 [2022-12-14 10:57:18,154 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 667 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 116 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:18,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 235 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 316 Invalid, 0 Unknown, 116 Unchecked, 0.2s Time] [2022-12-14 10:57:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-12-14 10:57:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-12-14 10:57:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.288659793814433) internal successors, (125), 111 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 125 transitions. [2022-12-14 10:57:18,156 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 125 transitions. Word has length 60 [2022-12-14 10:57:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:18,156 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 125 transitions. [2022-12-14 10:57:18,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.6) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2022-12-14 10:57:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 10:57:18,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:18,157 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:18,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 10:57:18,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 10:57:18,358 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:18,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:18,358 INFO L85 PathProgramCache]: Analyzing trace with hash -307214078, now seen corresponding path program 1 times [2022-12-14 10:57:18,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:18,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655402098] [2022-12-14 10:57:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 10:57:18,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:18,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655402098] [2022-12-14 10:57:18,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655402098] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:18,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926209140] [2022-12-14 10:57:18,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:18,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:18,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:18,852 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:18,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 10:57:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:19,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 10:57:19,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:19,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:19,060 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:57:19,060 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 10:57:19,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:19,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:19,112 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:57:19,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2022-12-14 10:57:19,150 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:19,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 20 [2022-12-14 10:57:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 10:57:19,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:19,382 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:19,382 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 23 treesize of output 24 [2022-12-14 10:57:19,388 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:19,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-12-14 10:57:19,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-14 10:57:19,411 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:19,411 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 21 treesize of output 22 [2022-12-14 10:57:19,417 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:19,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2022-12-14 10:57:19,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-12-14 10:57:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 10:57:19,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926209140] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:19,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [13319310] [2022-12-14 10:57:19,553 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 10:57:19,554 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:19,554 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:19,554 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:19,554 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,570 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 10:57:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:19,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:19,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:19,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:19,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:19,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:19,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:19,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:19,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:19,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:19,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:19,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:19,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,722 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 10:57:19,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:57:19,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:19,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:57:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 10:57:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:19,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:19,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,939 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:19,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 364 treesize of output 345 [2022-12-14 10:57:19,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:19,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:19,957 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:19,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 358 treesize of output 360 [2022-12-14 10:57:19,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:19,976 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:19,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 358 treesize of output 360 [2022-12-14 10:57:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,050 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:20,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 364 treesize of output 345 [2022-12-14 10:57:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,071 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:20,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 367 treesize of output 372 [2022-12-14 10:57:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,096 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:20,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 367 treesize of output 372 [2022-12-14 10:57:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,186 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:20,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 364 treesize of output 345 [2022-12-14 10:57:20,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,211 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:20,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 376 treesize of output 375 [2022-12-14 10:57:20,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,234 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:20,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 370 treesize of output 369 [2022-12-14 10:57:20,432 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:20,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 510 treesize of output 511 [2022-12-14 10:57:20,610 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:57:20,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-12-14 10:57:20,661 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:57:20,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-12-14 10:57:20,700 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:57:20,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 537 [2022-12-14 10:57:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:20,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,893 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:57:20,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-12-14 10:57:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,943 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:20,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:57:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:20,980 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:20,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:57:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,120 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:57:21,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-12-14 10:57:21,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,158 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:21,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:57:21,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,197 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:21,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:57:21,249 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 10:57:21,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:21,255 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 10:57:21,260 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 10:57:21,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:21,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:21,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,280 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:21,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:21,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:21,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,298 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:21,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:21,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:21,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:21,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:21,324 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 11 treesize of output 7 [2022-12-14 10:57:21,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:21,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,339 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 10:57:21,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:21,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:21,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,356 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 10:57:21,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:21,367 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 10:57:21,371 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 10:57:21,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:21,381 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 10:57:21,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:21,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,402 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:21,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:21,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,415 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:21,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:21,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:21,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:21,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:21,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:21,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,575 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:21,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:21,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:21,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:21,637 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 10:57:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:21,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:21,646 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:21,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:21,666 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:24,831 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5166#(and (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 16) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 10:57:24,831 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:24,831 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:24,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2022-12-14 10:57:24,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529671905] [2022-12-14 10:57:24,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:24,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-14 10:57:24,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:24,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-14 10:57:24,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1672, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 10:57:24,833 INFO L87 Difference]: Start difference. First operand 112 states and 125 transitions. Second operand has 27 states, 27 states have (on average 3.3703703703703702) internal successors, (91), 27 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:25,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:25,697 INFO L93 Difference]: Finished difference Result 125 states and 134 transitions. [2022-12-14 10:57:25,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:57:25,697 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.3703703703703702) internal successors, (91), 27 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-12-14 10:57:25,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:25,698 INFO L225 Difference]: With dead ends: 125 [2022-12-14 10:57:25,698 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 10:57:25,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=494, Invalid=3046, Unknown=0, NotChecked=0, Total=3540 [2022-12-14 10:57:25,699 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 711 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:25,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 331 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:57:25,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 10:57:25,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 102. [2022-12-14 10:57:25,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.2758620689655173) internal successors, (111), 101 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2022-12-14 10:57:25,701 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 61 [2022-12-14 10:57:25,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:25,701 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2022-12-14 10:57:25,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3703703703703702) internal successors, (91), 27 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2022-12-14 10:57:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 10:57:25,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:25,702 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:25,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 10:57:25,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 10:57:25,903 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:25,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:25,904 INFO L85 PathProgramCache]: Analyzing trace with hash 208988780, now seen corresponding path program 1 times [2022-12-14 10:57:25,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:25,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670643807] [2022-12-14 10:57:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:25,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 33 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 10:57:26,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:26,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670643807] [2022-12-14 10:57:26,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670643807] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:26,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972618370] [2022-12-14 10:57:26,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:26,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:26,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:26,541 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:26,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 10:57:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:26,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 10:57:26,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:26,744 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 10:57:26,758 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:57:26,758 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 10:57:26,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:26,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:26,792 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:57:26,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2022-12-14 10:57:26,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 10:57:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 10:57:26,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:26,917 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-12-14 10:57:26,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 10:57:26,920 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3008 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3008) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) is different from false [2022-12-14 10:57:26,925 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3006 Int) (v_ArrVal_3008 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_3006)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3008) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) is different from false [2022-12-14 10:57:26,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:26,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2022-12-14 10:57:26,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 10:57:26,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 10:57:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-12-14 10:57:26,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972618370] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:26,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [639194012] [2022-12-14 10:57:26,974 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 10:57:26,974 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:26,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:26,975 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:26,975 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:26,989 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 10:57:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:27,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:27,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:27,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:27,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:27,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:27,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:27,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:27,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:27,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:27,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,163 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 10:57:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:57:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:57:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:27,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 10:57:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,367 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:27,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 361 treesize of output 342 [2022-12-14 10:57:27,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,391 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:27,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 355 treesize of output 357 [2022-12-14 10:57:27,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,416 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:27,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 357 [2022-12-14 10:57:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,501 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:27,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 361 treesize of output 342 [2022-12-14 10:57:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,530 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:27,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 364 treesize of output 369 [2022-12-14 10:57:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,556 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:27,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 369 [2022-12-14 10:57:27,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,663 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:27,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 361 treesize of output 342 [2022-12-14 10:57:27,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:27,693 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:27,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 373 treesize of output 372 [2022-12-14 10:57:27,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:27,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 366 [2022-12-14 10:57:27,891 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:27,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 537 treesize of output 538 [2022-12-14 10:57:28,025 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:57:28,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-12-14 10:57:28,097 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:57:28,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-12-14 10:57:28,131 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:57:28,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 564 [2022-12-14 10:57:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,307 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:57:28,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-12-14 10:57:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,344 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:28,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,376 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:28,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,524 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:57:28,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-12-14 10:57:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,563 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:28,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,596 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:28,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:28,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:28,646 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 10:57:28,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:28,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:28,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:28,662 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 10:57:28,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,677 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:28,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:28,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:28,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,693 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:28,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:28,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:28,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:28,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 10:57:28,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:28,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,734 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 10:57:28,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:28,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:28,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:28,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:28,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:28,754 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 10:57:28,760 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 10:57:28,763 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 10:57:28,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:28,774 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 10:57:28,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:28,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:28,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,802 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:28,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:28,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:28,815 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:28,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:28,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:28,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:28,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:29,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:29,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:29,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:29,047 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:29,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:29,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:29,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:29,116 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:29,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:29,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:29,158 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:31,225 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5831#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|))' at error location [2022-12-14 10:57:31,226 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:31,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:31,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 21 [2022-12-14 10:57:31,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841367655] [2022-12-14 10:57:31,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:31,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 10:57:31,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:31,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 10:57:31,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1172, Unknown=2, NotChecked=142, Total=1482 [2022-12-14 10:57:31,227 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:31,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:31,742 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2022-12-14 10:57:31,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 10:57:31,742 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-12-14 10:57:31,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:31,743 INFO L225 Difference]: With dead ends: 124 [2022-12-14 10:57:31,743 INFO L226 Difference]: Without dead ends: 124 [2022-12-14 10:57:31,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 153 SyntacticMatches, 9 SemanticMatches, 49 ConstructedPredicates, 2 IntricatePredicates, 2 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=359, Invalid=1999, Unknown=2, NotChecked=190, Total=2550 [2022-12-14 10:57:31,745 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 508 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 166 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:31,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 203 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 518 Invalid, 0 Unknown, 166 Unchecked, 0.2s Time] [2022-12-14 10:57:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-12-14 10:57:31,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2022-12-14 10:57:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 102 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 113 transitions. [2022-12-14 10:57:31,748 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 113 transitions. Word has length 62 [2022-12-14 10:57:31,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:31,748 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 113 transitions. [2022-12-14 10:57:31,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.666666666666667) internal successors, (98), 22 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2022-12-14 10:57:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 10:57:31,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:31,749 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:31,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 10:57:31,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:31,951 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:31,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:31,952 INFO L85 PathProgramCache]: Analyzing trace with hash 208988781, now seen corresponding path program 1 times [2022-12-14 10:57:31,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:31,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879807156] [2022-12-14 10:57:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 10:57:32,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:32,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879807156] [2022-12-14 10:57:32,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879807156] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:32,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247509294] [2022-12-14 10:57:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:32,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:32,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:32,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 10:57:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:33,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-14 10:57:33,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:33,077 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 10:57:33,118 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:57:33,118 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 11 treesize of output 11 [2022-12-14 10:57:33,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:33,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:33,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:33,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:33,192 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:57:33,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 53 [2022-12-14 10:57:33,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2022-12-14 10:57:33,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 10:57:33,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-12-14 10:57:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 10:57:33,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:33,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:33,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 53 [2022-12-14 10:57:33,542 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|)) (.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (forall ((v_prenex_1 (Array Int Int)) (v_ArrVal_3384 Int)) (<= 0 (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store .cse0 .cse1 v_ArrVal_3384)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_prenex_1) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) 4))) (forall ((v_ArrVal_3389 (Array Int Int)) (v_ArrVal_3386 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_3386)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3389) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (forall ((v_ArrVal_3388 (Array Int Int)) (v_ArrVal_3384 Int)) (< (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store .cse0 .cse1 v_ArrVal_3384)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_3388) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 9))))) is different from false [2022-12-14 10:57:33,551 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:33,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 10:57:33,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2022-12-14 10:57:33,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 10:57:33,562 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:33,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 10:57:33,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:33,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 10:57:33,569 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-12-14 10:57:33,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 10:57:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-12-14 10:57:33,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247509294] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:33,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1759117250] [2022-12-14 10:57:33,709 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 10:57:33,709 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:33,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:33,709 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:33,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:33,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,724 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 10:57:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:33,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:33,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:33,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:33,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:33,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:33,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:33,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:33,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:33,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:33,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:33,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:33,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,910 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 10:57:33,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:57:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:33,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:33,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:57:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 10:57:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:34,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,098 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:34,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 348 treesize of output 350 [2022-12-14 10:57:34,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,127 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:34,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 348 treesize of output 350 [2022-12-14 10:57:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,159 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:34,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 354 treesize of output 335 [2022-12-14 10:57:34,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,241 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:34,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 357 treesize of output 362 [2022-12-14 10:57:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,276 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:34,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 354 treesize of output 335 [2022-12-14 10:57:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,302 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:34,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 357 treesize of output 362 [2022-12-14 10:57:34,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,393 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:34,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 366 treesize of output 365 [2022-12-14 10:57:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:34,423 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:34,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 348 treesize of output 329 [2022-12-14 10:57:34,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:34,455 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:34,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 360 treesize of output 359 [2022-12-14 10:57:34,676 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:34,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 537 treesize of output 538 [2022-12-14 10:57:34,870 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:57:34,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-12-14 10:57:34,926 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:57:34,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-12-14 10:57:34,961 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:57:34,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 564 [2022-12-14 10:57:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,129 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:57:35,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-12-14 10:57:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,177 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:35,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,221 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:35,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,333 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:35,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,437 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:57:35,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-12-14 10:57:35,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,481 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:35,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:35,534 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 10:57:35,537 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 10:57:35,540 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 10:57:35,544 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 10:57:35,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:35,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:35,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,565 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:35,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:35,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:35,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,588 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:35,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:35,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:35,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:35,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:35,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:35,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 10:57:35,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:35,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:35,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,627 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 10:57:35,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:35,638 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 10:57:35,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:35,649 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 10:57:35,652 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 10:57:35,656 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 10:57:35,661 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 10:57:35,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:35,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:35,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:35,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,692 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:35,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:35,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:35,707 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:35,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:36,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:36,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:36,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:36,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:36,106 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:36,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:36,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:36,219 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 10:57:36,222 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 10:57:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:36,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:36,241 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:36,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:36,283 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:38,495 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6498#(and (or (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (not (<= 0 (+ |ULTIMATE.start_main_~head~1#1.offset| 4)))) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-12-14 10:57:38,495 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:38,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:38,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 29 [2022-12-14 10:57:38,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413302289] [2022-12-14 10:57:38,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:38,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 10:57:38,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:38,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 10:57:38,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1855, Unknown=15, NotChecked=88, Total=2162 [2022-12-14 10:57:38,497 INFO L87 Difference]: Start difference. First operand 103 states and 113 transitions. Second operand has 30 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 30 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:39,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:39,557 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2022-12-14 10:57:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 10:57:39,557 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 30 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-12-14 10:57:39,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:39,558 INFO L225 Difference]: With dead ends: 148 [2022-12-14 10:57:39,558 INFO L226 Difference]: Without dead ends: 148 [2022-12-14 10:57:39,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 149 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 1 IntricatePredicates, 2 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=477, Invalid=2934, Unknown=15, NotChecked=114, Total=3540 [2022-12-14 10:57:39,560 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 984 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 107 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:39,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 236 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 650 Invalid, 0 Unknown, 107 Unchecked, 0.4s Time] [2022-12-14 10:57:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-12-14 10:57:39,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2022-12-14 10:57:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 118 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 135 transitions. [2022-12-14 10:57:39,563 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 135 transitions. Word has length 62 [2022-12-14 10:57:39,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:39,563 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 135 transitions. [2022-12-14 10:57:39,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 30 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2022-12-14 10:57:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 10:57:39,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:39,563 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:39,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 10:57:39,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 10:57:39,764 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:39,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1717801794, now seen corresponding path program 1 times [2022-12-14 10:57:39,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:39,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261318171] [2022-12-14 10:57:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 10:57:39,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:39,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261318171] [2022-12-14 10:57:39,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261318171] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:39,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320609534] [2022-12-14 10:57:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:39,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:39,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:39,963 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:39,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 10:57:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:40,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 10:57:40,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:40,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 10:57:40,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 10:57:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 10:57:40,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 10:57:40,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320609534] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:40,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1958076157] [2022-12-14 10:57:40,330 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 10:57:40,330 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:40,330 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:40,330 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:40,330 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,343 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 10:57:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:40,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:40,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:40,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,387 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 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:40,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:40,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:40,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:40,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:40,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:40,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:40,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,499 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 10:57:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:40,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:57:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:57:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 10:57:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,682 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:40,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 354 treesize of output 335 [2022-12-14 10:57:40,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,707 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:40,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 348 treesize of output 350 [2022-12-14 10:57:40,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,728 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:40,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 348 treesize of output 350 [2022-12-14 10:57:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,822 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:40,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 357 treesize of output 362 [2022-12-14 10:57:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,849 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:40,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 354 treesize of output 335 [2022-12-14 10:57:40,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,870 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:40,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 357 treesize of output 362 [2022-12-14 10:57:40,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,966 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:40,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 366 treesize of output 365 [2022-12-14 10:57:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:40,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:40,997 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 10:57:40,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 348 treesize of output 329 [2022-12-14 10:57:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 359 [2022-12-14 10:57:41,302 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:41,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 537 treesize of output 538 [2022-12-14 10:57:41,493 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:57:41,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 575 treesize of output 571 [2022-12-14 10:57:41,530 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:57:41,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 465 [2022-12-14 10:57:41,561 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:57:41,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 579 treesize of output 564 [2022-12-14 10:57:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,658 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:41,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:41,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:41,728 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:57:41,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 584 treesize of output 583 [2022-12-14 10:57:41,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,765 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:41,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:41,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:41,920 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:57:41,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 593 treesize of output 595 [2022-12-14 10:57:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,957 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:57:41,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 564 [2022-12-14 10:57:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:41,987 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:57:41,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 583 treesize of output 465 [2022-12-14 10:57:42,039 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 10:57:42,043 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 10:57:42,046 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 10:57:42,052 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 10:57:42,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:42,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:42,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:42,084 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:42,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:42,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:42,094 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:42,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:42,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:42,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:42,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:42,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:42,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 10:57:42,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:42,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 10:57:42,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:42,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:42,155 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 10:57:42,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:42,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:42,170 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 10:57:42,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:42,188 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:42,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:42,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:42,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:42,201 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:42,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:42,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:42,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:42,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:42,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:42,433 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:42,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:42,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:42,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:42,500 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 10:57:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:42,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:42,515 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:42,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:42,535 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:44,156 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7202#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 10:57:44,156 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:44,156 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:44,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2022-12-14 10:57:44,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548617203] [2022-12-14 10:57:44,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:44,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:57:44,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:44,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:57:44,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2022-12-14 10:57:44,157 INFO L87 Difference]: Start difference. First operand 119 states and 135 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:44,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:44,278 INFO L93 Difference]: Finished difference Result 122 states and 134 transitions. [2022-12-14 10:57:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:57:44,278 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-12-14 10:57:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:44,279 INFO L225 Difference]: With dead ends: 122 [2022-12-14 10:57:44,279 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 10:57:44,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 172 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2022-12-14 10:57:44,279 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 85 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:44,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 72 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:57:44,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 10:57:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2022-12-14 10:57:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2666666666666666) internal successors, (133), 118 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2022-12-14 10:57:44,281 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 65 [2022-12-14 10:57:44,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:44,281 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2022-12-14 10:57:44,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2022-12-14 10:57:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 10:57:44,282 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:44,282 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:44,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-12-14 10:57:44,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 10:57:44,483 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:57:44,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:44,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1082436973, now seen corresponding path program 1 times [2022-12-14 10:57:44,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:44,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332714931] [2022-12-14 10:57:44,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:44,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:57:45,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:45,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332714931] [2022-12-14 10:57:45,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332714931] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:57:45,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177288124] [2022-12-14 10:57:45,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:45,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:57:45,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:57:45,579 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:57:45,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 10:57:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:45,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 84 conjunts are in the unsatisfiable core [2022-12-14 10:57:45,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:57:45,796 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 10:57:45,812 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:57:45,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 10:57:45,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:45,858 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 10:57:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:45,865 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 10:57:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:45,870 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 10:57:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:45,881 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 10:57:45,897 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 10:57:45,952 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 10:57:45,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 10:57:45,962 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 10:57:45,969 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 10:57:45,975 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 10:57:45,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:45,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 10:57:45,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:46,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:46,022 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 10:57:46,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:46,045 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:57:46,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 74 [2022-12-14 10:57:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:46,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2022-12-14 10:57:46,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-12-14 10:57:46,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 10:57:46,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 10:57:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 73 proven. 24 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 10:57:46,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:57:46,210 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4153 (Array Int Int)) (v_ArrVal_4155 (Array Int Int)) (v_ArrVal_4157 Int)) (= (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4157)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4155) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4153) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0))) 0)) is different from false [2022-12-14 10:57:46,228 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4152 (Array Int Int)) (v_ArrVal_4150 Int) (v_ArrVal_4153 (Array Int Int)) (v_ArrVal_4155 (Array Int Int)) (v_ArrVal_4148 Int) (v_ArrVal_4157 Int)) (= (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4152))) (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4157))) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4150)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4155) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4148)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4153) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) 0)) is different from false [2022-12-14 10:57:46,238 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:46,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 77 [2022-12-14 10:57:46,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 112 [2022-12-14 10:57:46,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2022-12-14 10:57:46,249 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:46,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 86 [2022-12-14 10:57:46,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 118 [2022-12-14 10:57:46,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 101 [2022-12-14 10:57:46,591 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4152 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| Int) (v_ArrVal_4136 Int) (v_ArrVal_4139 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_4136)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4139) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87| v_ArrVal_4152) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_87|) 0)))) is different from false [2022-12-14 10:57:46,752 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:57:46,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 10:57:46,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2022-12-14 10:57:46,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2022-12-14 10:57:46,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-12-14 10:57:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 7 not checked. [2022-12-14 10:57:48,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177288124] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:57:48,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [924720186] [2022-12-14 10:57:48,911 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 10:57:48,911 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:57:48,911 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:57:48,911 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:57:48,911 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:57:48,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,926 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 10:57:48,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:48,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:57:48,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:57:48,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:48,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:48,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:48,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:48,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:57:49,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:49,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:49,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:49,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:57:49,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:49,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:57:49,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,089 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 10:57:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 10:57:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 10:57:49,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 10:57:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 10:57:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 10:57:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,267 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:49,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 338 [2022-12-14 10:57:49,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,286 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:49,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 351 treesize of output 353 [2022-12-14 10:57:49,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,307 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:49,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 351 treesize of output 353 [2022-12-14 10:57:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,373 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:49,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 338 [2022-12-14 10:57:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,397 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:49,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 360 treesize of output 365 [2022-12-14 10:57:49,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,424 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 10:57:49,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 365 [2022-12-14 10:57:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,515 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:57:49,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 338 [2022-12-14 10:57:49,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:49,539 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:57:49,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 369 treesize of output 368 [2022-12-14 10:57:49,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:49,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 362 [2022-12-14 10:57:49,739 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:57:49,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 583 treesize of output 576 [2022-12-14 10:57:49,879 INFO L321 Elim1Store]: treesize reduction 248, result has 16.5 percent of original size [2022-12-14 10:57:49,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 625 treesize of output 517 [2022-12-14 10:57:50,023 INFO L321 Elim1Store]: treesize reduction 752, result has 11.1 percent of original size [2022-12-14 10:57:50,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 621 treesize of output 617 [2022-12-14 10:57:50,082 INFO L321 Elim1Store]: treesize reduction 248, result has 15.4 percent of original size [2022-12-14 10:57:50,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 625 treesize of output 568 [2022-12-14 10:57:50,201 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-12-14 10:57:50,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 517 [2022-12-14 10:57:50,267 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-12-14 10:57:50,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 568 [2022-12-14 10:57:50,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:50,420 INFO L321 Elim1Store]: treesize reduction 860, result has 9.2 percent of original size [2022-12-14 10:57:50,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 630 treesize of output 629 [2022-12-14 10:57:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:50,709 INFO L321 Elim1Store]: treesize reduction 976, result has 8.2 percent of original size [2022-12-14 10:57:50,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 639 treesize of output 641 [2022-12-14 10:57:50,782 INFO L321 Elim1Store]: treesize reduction 256, result has 16.1 percent of original size [2022-12-14 10:57:50,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 517 [2022-12-14 10:57:50,857 INFO L321 Elim1Store]: treesize reduction 264, result has 14.6 percent of original size [2022-12-14 10:57:50,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 629 treesize of output 568 [2022-12-14 10:57:50,901 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 10:57:50,905 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 10:57:50,909 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 10:57:50,915 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 10:57:50,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:50,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:50,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:50,943 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:50,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:50,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:50,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:50,963 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:50,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:50,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:50,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:50,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:50,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:50,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:51,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 10:57:51,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:51,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:51,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:51,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:57:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:51,026 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 10:57:51,040 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 10:57:51,044 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 10:57:51,048 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 10:57:51,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:51,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:57:51,064 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 10:57:51,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:51,083 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:57:51,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:57:51,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:51,099 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:57:51,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:57:51,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:57:51,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:57:51,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:57:51,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:51,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:57:51,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:51,408 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:57:51,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:57:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:57:51,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:57:51,491 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:57:51,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:57:51,515 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 10:57:51,522 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 10:57:51,529 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:57:54,030 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7918#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-12-14 10:57:54,030 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:57:54,030 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:57:54,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 18] total 41 [2022-12-14 10:57:54,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343050703] [2022-12-14 10:57:54,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:57:54,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-12-14 10:57:54,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:54,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-12-14 10:57:54,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2400, Unknown=6, NotChecked=306, Total=2970 [2022-12-14 10:57:54,032 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand has 41 states, 41 states have (on average 3.4634146341463414) internal successors, (142), 41 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:59,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:59,829 INFO L93 Difference]: Finished difference Result 144 states and 158 transitions. [2022-12-14 10:57:59,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 10:57:59,830 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 3.4634146341463414) internal successors, (142), 41 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-12-14 10:57:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:59,830 INFO L225 Difference]: With dead ends: 144 [2022-12-14 10:57:59,830 INFO L226 Difference]: Without dead ends: 144 [2022-12-14 10:57:59,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 167 SyntacticMatches, 16 SemanticMatches, 70 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1892 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=684, Invalid=4013, Unknown=7, NotChecked=408, Total=5112 [2022-12-14 10:57:59,831 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 537 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 303 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:59,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 344 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 675 Invalid, 1 Unknown, 303 Unchecked, 0.7s Time] [2022-12-14 10:57:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-12-14 10:57:59,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 119. [2022-12-14 10:57:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 132 transitions. [2022-12-14 10:57:59,833 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 132 transitions. Word has length 69 [2022-12-14 10:57:59,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:59,833 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 132 transitions. [2022-12-14 10:57:59,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.4634146341463414) internal successors, (142), 41 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2022-12-14 10:57:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 10:57:59,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:59,834 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:59,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-14 10:58:00,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:58:00,035 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:58:00,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:00,036 INFO L85 PathProgramCache]: Analyzing trace with hash 940772529, now seen corresponding path program 1 times [2022-12-14 10:58:00,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:00,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907569137] [2022-12-14 10:58:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 65 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:58:01,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:58:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907569137] [2022-12-14 10:58:01,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907569137] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:58:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918985186] [2022-12-14 10:58:01,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:01,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:58:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:58:01,387 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:58:01,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 10:58:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:01,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 84 conjunts are in the unsatisfiable core [2022-12-14 10:58:01,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:58:01,633 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 10:58:01,658 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:58:01,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 10:58:01,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:01,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:01,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:01,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:01,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 10:58:01,842 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 10:58:01,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 10:58:01,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 10:58:01,868 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 10:58:01,878 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 10:58:01,891 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 10:58:01,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:01,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:01,943 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 10:58:01,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:01,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:01,984 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:58:01,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 74 [2022-12-14 10:58:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:01,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2022-12-14 10:58:01,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-12-14 10:58:02,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 10:58:02,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 10:58:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 10:58:02,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:58:02,325 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4551 (Array Int Int)) (v_ArrVal_4555 (Array Int Int)) (v_ArrVal_4554 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4551) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1))) (or (<= (+ .cse0 1) 0) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4554)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4555) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1)) (+ 8 .cse0)) 0))))) is different from false [2022-12-14 10:58:02,346 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4550 (Array Int Int)) (v_ArrVal_4551 (Array Int Int)) (v_ArrVal_4547 Int) (v_ArrVal_4555 (Array Int Int)) (v_ArrVal_4546 Int) (v_ArrVal_4554 Int)) (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse3 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4546)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4551) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4550))) (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) v_ArrVal_4554))) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4547)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4555) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (+ .cse3 8)) 0) (<= (+ .cse3 1) 0))))) is different from false [2022-12-14 10:58:02,359 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:02,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 79 [2022-12-14 10:58:02,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 116 [2022-12-14 10:58:02,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2022-12-14 10:58:02,376 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:02,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 104 [2022-12-14 10:58:02,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 149 [2022-12-14 10:58:02,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 118 [2022-12-14 10:58:16,912 WARN L233 SmtUtils]: Spent 14.20s on a formula simplification. DAG size of input: 66 DAG size of output: 44 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:58:17,070 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:17,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 10:58:26,598 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:26,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 138 [2022-12-14 10:58:26,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:26,612 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:26,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 969 treesize of output 927 [2022-12-14 10:58:26,633 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:26,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 309 [2022-12-14 10:58:26,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:26,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 279 treesize of output 271 [2022-12-14 10:58:26,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 10:58:26,780 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:26,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2022-12-14 10:58:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 65 proven. 21 refuted. 6 times theorem prover too weak. 11 trivial. 6 not checked. [2022-12-14 10:58:26,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918985186] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:58:26,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [143227483] [2022-12-14 10:58:26,988 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 10:58:26,988 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:58:26,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:58:26,988 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:58:26,988 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:58:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,002 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 10:58:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:58:27,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:27,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:27,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:58:27,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:27,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:27,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:58:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:58:27,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:27,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:27,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:27,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:58:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:58:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:58:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:58:27,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:58:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:58:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 10:58:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:27,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,391 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:58:27,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 10:58:27,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,416 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:58:27,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 339 treesize of output 341 [2022-12-14 10:58:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,448 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:58:27,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 339 treesize of output 341 [2022-12-14 10:58:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,517 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:58:27,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 10:58:27,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,541 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:58:27,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 353 [2022-12-14 10:58:27,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,569 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:58:27,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 353 [2022-12-14 10:58:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:27,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,665 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:58:27,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 10:58:27,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,694 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:58:27,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 357 treesize of output 358 [2022-12-14 10:58:27,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:27,721 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:58:27,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 353 treesize of output 354 [2022-12-14 10:58:27,911 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:58:27,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 510 treesize of output 511 [2022-12-14 10:58:28,044 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 10:58:28,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-12-14 10:58:28,127 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:58:28,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-12-14 10:58:28,165 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 10:58:28,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 537 [2022-12-14 10:58:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,260 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:58:28,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:58:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,344 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:58:28,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-12-14 10:58:28,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,393 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:58:28,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:58:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,542 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:58:28,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-12-14 10:58:28,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,590 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 10:58:28,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 10:58:28,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,637 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 10:58:28,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 10:58:28,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:58:28,693 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 10:58:28,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:28,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:28,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:28,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:28,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,729 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:58:28,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:58:28,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:28,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,754 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:58:28,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:58:28,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:58:28,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:58:28,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:28,783 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 11 treesize of output 7 [2022-12-14 10:58:28,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:28,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 10:58:28,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:28,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:28,815 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 10:58:28,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:28,828 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 10:58:28,832 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 10:58:28,836 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 10:58:28,842 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 10:58:28,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:28,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:28,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:28,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,875 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:58:28,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:58:28,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:28,893 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:58:28,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:58:29,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:58:29,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:58:29,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:29,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:29,195 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:58:29,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:58:29,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:29,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:29,250 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 10:58:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:29,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:29,265 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:58:29,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 285 [2022-12-14 10:58:29,285 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:58:32,460 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8691#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= |#NULL.base| 0))' at error location [2022-12-14 10:58:32,461 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:58:32,461 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:58:32,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 21] total 44 [2022-12-14 10:58:32,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739973495] [2022-12-14 10:58:32,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:58:32,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-14 10:58:32,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:58:32,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-14 10:58:32,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=2995, Unknown=30, NotChecked=226, Total=3540 [2022-12-14 10:58:32,462 INFO L87 Difference]: Start difference. First operand 119 states and 132 transitions. Second operand has 44 states, 44 states have (on average 3.2954545454545454) internal successors, (145), 44 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:58:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:37,484 INFO L93 Difference]: Finished difference Result 144 states and 157 transitions. [2022-12-14 10:58:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 10:58:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 3.2954545454545454) internal successors, (145), 44 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-12-14 10:58:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:37,485 INFO L225 Difference]: With dead ends: 144 [2022-12-14 10:58:37,485 INFO L226 Difference]: Without dead ends: 144 [2022-12-14 10:58:37,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 169 SyntacticMatches, 14 SemanticMatches, 77 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2227 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=793, Invalid=5037, Unknown=30, NotChecked=302, Total=6162 [2022-12-14 10:58:37,487 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 566 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 32 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 201 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:37,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 524 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 911 Invalid, 12 Unknown, 201 Unchecked, 1.4s Time] [2022-12-14 10:58:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-12-14 10:58:37,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 119. [2022-12-14 10:58:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.2476190476190476) internal successors, (131), 118 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:58:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2022-12-14 10:58:37,488 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 70 [2022-12-14 10:58:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:58:37,489 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2022-12-14 10:58:37,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.2954545454545454) internal successors, (145), 44 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:58:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2022-12-14 10:58:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 10:58:37,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:58:37,489 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:58:37,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 10:58:37,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:58:37,691 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:58:37,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:37,692 INFO L85 PathProgramCache]: Analyzing trace with hash -383369202, now seen corresponding path program 1 times [2022-12-14 10:58:37,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:37,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025119933] [2022-12-14 10:58:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:37,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:58:38,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:58:38,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025119933] [2022-12-14 10:58:38,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025119933] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:58:38,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710645802] [2022-12-14 10:58:38,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:38,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:58:38,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:58:38,876 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:58:38,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-14 10:58:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:39,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-14 10:58:39,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:58:39,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:58:39,162 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:58:39,162 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 10:58:39,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:58:39,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:39,281 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:58:39,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 10:58:39,348 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-14 10:58:39,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-12-14 10:58:39,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-12-14 10:58:39,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-12-14 10:58:39,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-12-14 10:58:39,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 10:58:39,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:58:39,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:39,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:39,487 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:58:39,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 41 [2022-12-14 10:58:39,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:39,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:39,515 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:58:39,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 53 [2022-12-14 10:58:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:39,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2022-12-14 10:58:39,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 10:58:39,735 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 10:58:39,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 26 [2022-12-14 10:58:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 10:58:39,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:58:39,990 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:39,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 126 [2022-12-14 10:58:39,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 211 [2022-12-14 10:58:39,995 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 100 treesize of output 96 [2022-12-14 10:58:44,136 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:44,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 65 [2022-12-14 10:58:44,150 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:44,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 65 [2022-12-14 10:58:48,388 INFO L321 Elim1Store]: treesize reduction 33, result has 53.5 percent of original size [2022-12-14 10:58:48,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 91 [2022-12-14 10:58:48,401 INFO L321 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2022-12-14 10:58:48,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 70 [2022-12-14 10:58:48,844 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:48,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 79 [2022-12-14 10:58:48,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:48,854 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:48,855 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 549 treesize of output 475 [2022-12-14 10:58:48,868 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:58:48,868 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 473 treesize of output 367 [2022-12-14 10:58:48,875 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 118 treesize of output 102 [2022-12-14 10:58:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 10:58:49,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710645802] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:58:49,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1034672141] [2022-12-14 10:58:49,264 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-12-14 10:58:49,265 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:58:49,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:58:49,265 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:58:49,265 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:58:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,283 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 10:58:49,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:58:49,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:49,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:49,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:49,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:49,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:58:49,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:49,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:58:49,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:58:49,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:49,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:49,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:49,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:58:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:58:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:58:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:58:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:58:49,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:58:49,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:49,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 10:58:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:49,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:58:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,694 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:58:49,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:58:49,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,731 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:58:49,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:58:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,761 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:58:49,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:58:49,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,840 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:58:49,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:58:49,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:49,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,874 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:58:49,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:58:49,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:49,902 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:58:49,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:58:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,019 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:58:50,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:58:50,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,051 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:58:50,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-12-14 10:58:50,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,087 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:58:50,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 350 treesize of output 351 [2022-12-14 10:58:50,326 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:58:50,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 572 treesize of output 565 [2022-12-14 10:58:50,490 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 10:58:50,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 494 [2022-12-14 10:58:50,597 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:58:50,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 610 treesize of output 606 [2022-12-14 10:58:50,661 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-12-14 10:58:50,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 584 [2022-12-14 10:58:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:50,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,866 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:58:50,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 619 treesize of output 618 [2022-12-14 10:58:50,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:50,940 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 10:58:50,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-12-14 10:58:50,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,001 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 10:58:51,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-12-14 10:58:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,139 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 10:58:51,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-12-14 10:58:51,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,206 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 10:58:51,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-12-14 10:58:51,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,327 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:58:51,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 628 treesize of output 630 [2022-12-14 10:58:51,396 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 10:58:51,401 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 10:58:51,405 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 10:58:51,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:51,420 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 10:58:51,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:51,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,456 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:58:51,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:58:51,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,475 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:58:51,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:58:51,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:58:51,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:58:51,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:51,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:51,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,531 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 10:58:51,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,554 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 10:58:51,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:58:51,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:58:51,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:58:51,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:51,593 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 10:58:51,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:58:51,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,623 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:58:51,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:58:51,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,653 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:58:51,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:58:51,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:58:51,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:58:51,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:58:51,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:51,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:58:51,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,927 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:58:51,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:58:51,969 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 10:58:51,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:58:51,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:58:51,984 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:58:51,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 167 [2022-12-14 10:58:52,012 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 10:58:52,015 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:58:55,632 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9479#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (or (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (not (= |ULTIMATE.start_main_~head~1#1.offset| 0))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 16) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (= |#NULL.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 10:58:55,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:58:55,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:58:55,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 18] total 46 [2022-12-14 10:58:55,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461608971] [2022-12-14 10:58:55,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:58:55,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-12-14 10:58:55,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:58:55,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-12-14 10:58:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=4243, Unknown=11, NotChecked=0, Total=4556 [2022-12-14 10:58:55,636 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand has 46 states, 46 states have (on average 3.4565217391304346) internal successors, (159), 46 states have internal predecessors, (159), 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 10:58:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:58,712 INFO L93 Difference]: Finished difference Result 131 states and 140 transitions. [2022-12-14 10:58:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 10:58:58,712 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.4565217391304346) internal successors, (159), 46 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-12-14 10:58:58,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:58,713 INFO L225 Difference]: With dead ends: 131 [2022-12-14 10:58:58,713 INFO L226 Difference]: Without dead ends: 131 [2022-12-14 10:58:58,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 168 SyntacticMatches, 5 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2536 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=934, Invalid=7427, Unknown=11, NotChecked=0, Total=8372 [2022-12-14 10:58:58,715 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1162 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:58,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 593 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 10:58:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-12-14 10:58:58,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 109. [2022-12-14 10:58:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.231578947368421) internal successors, (117), 108 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:58:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 117 transitions. [2022-12-14 10:58:58,718 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 117 transitions. Word has length 71 [2022-12-14 10:58:58,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:58:58,718 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 117 transitions. [2022-12-14 10:58:58,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.4565217391304346) internal successors, (159), 46 states have internal predecessors, (159), 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 10:58:58,718 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions. [2022-12-14 10:58:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 10:58:58,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:58:58,719 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:58:58,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-14 10:58:58,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-14 10:58:58,920 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:58:58,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:58,921 INFO L85 PathProgramCache]: Analyzing trace with hash -900697622, now seen corresponding path program 1 times [2022-12-14 10:58:58,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:58,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602197732] [2022-12-14 10:58:58,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:58,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 64 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:59:00,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:00,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602197732] [2022-12-14 10:59:00,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602197732] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:59:00,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017341565] [2022-12-14 10:59:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:00,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:00,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:00,302 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:59:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-14 10:59:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:00,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 81 conjunts are in the unsatisfiable core [2022-12-14 10:59:00,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:59:00,561 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 10:59:00,590 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 10:59:00,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 10:59:00,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:00,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:00,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:00,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 10:59:00,769 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 10:59:00,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 10:59:00,787 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 10:59:00,796 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 10:59:00,806 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 10:59:00,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:59:00,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:00,825 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 10:59:00,861 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 10:59:00,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:00,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:00,898 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 10:59:00,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 66 [2022-12-14 10:59:00,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-12-14 10:59:00,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2022-12-14 10:59:01,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 10:59:01,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 10:59:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 10:59:01,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:59:03,309 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:03,310 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 79 [2022-12-14 10:59:03,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 116 [2022-12-14 10:59:03,317 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 57 treesize of output 53 [2022-12-14 10:59:03,324 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:03,324 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 90 [2022-12-14 10:59:03,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 126 [2022-12-14 10:59:03,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 109 [2022-12-14 10:59:19,691 WARN L233 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 53 DAG size of output: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:59:19,768 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:19,768 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 10:59:20,281 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5319 Int) (v_ArrVal_5323 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_108| Int) (v_arrayElimCell_2568 Int) (v_ArrVal_5337 (Array Int Int)) (v_ArrVal_5322 Int) (v_ArrVal_5342 Int) (v_arrayElimCell_2570 Int)) (let ((.cse4 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4) v_ArrVal_5319) .cse4 v_ArrVal_5322)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5323) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_108| v_ArrVal_5337))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) (let ((.cse0 (store .cse3 .cse4 v_ArrVal_5342)) (.cse1 (+ 16 v_arrayElimCell_2570))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_108|) 0)) (= (select .cse0 .cse1) 0) (= (select (select (store .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base| .cse0) v_arrayElimCell_2568) .cse1) 0) (= 0 (select .cse3 (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))))))))) is different from false [2022-12-14 10:59:20,297 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:20,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 97 [2022-12-14 10:59:20,310 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:20,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1734 treesize of output 1700 [2022-12-14 10:59:20,337 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:20,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1820 treesize of output 1716 [2022-12-14 10:59:20,364 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:20,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1992 treesize of output 1840 [2022-12-14 10:59:20,538 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:20,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 799 treesize of output 767 [2022-12-14 10:59:21,727 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 10:59:21,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1187 treesize of output 1159 [2022-12-14 10:59:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 68 proven. 28 refuted. 1 times theorem prover too weak. 11 trivial. 2 not checked. [2022-12-14 10:59:23,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017341565] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:59:23,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2007846151] [2022-12-14 10:59:23,138 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 10:59:23,138 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:59:23,138 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:59:23,139 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:59:23,139 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:59:23,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,154 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 10:59:23,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:59:23,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:59:23,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 10:59:23,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 10:59:23,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:59:23,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 10:59:23,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:23,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:23,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 10:59:23,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:59:23,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:23,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:59:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 10:59:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:59:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 10:59:23,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 10:59:23,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:59:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 10:59:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:59:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 10:59:23,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:59:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 10:59:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,484 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:59:23,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:59:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,515 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 10:59:23,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 336 treesize of output 338 [2022-12-14 10:59:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,540 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:59:23,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:59:23,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,609 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:59:23,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:59:23,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,642 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 10:59:23,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 345 treesize of output 350 [2022-12-14 10:59:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,666 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:59:23,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:59:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,755 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 10:59:23,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 342 treesize of output 323 [2022-12-14 10:59:23,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,779 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 10:59:23,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 354 treesize of output 355 [2022-12-14 10:59:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:23,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:23,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 351 [2022-12-14 10:59:23,977 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 10:59:23,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 572 treesize of output 565 [2022-12-14 10:59:24,119 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 10:59:24,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 494 [2022-12-14 10:59:24,200 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 10:59:24,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 610 treesize of output 606 [2022-12-14 10:59:24,248 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-12-14 10:59:24,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 614 treesize of output 584 [2022-12-14 10:59:24,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,355 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 10:59:24,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-12-14 10:59:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,436 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 10:59:24,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 619 treesize of output 618 [2022-12-14 10:59:24,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,483 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 10:59:24,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-12-14 10:59:24,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,606 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 10:59:24,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 494 [2022-12-14 10:59:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,705 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 10:59:24,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 628 treesize of output 630 [2022-12-14 10:59:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,758 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 10:59:24,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 618 treesize of output 584 [2022-12-14 10:59:24,808 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 10:59:24,811 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 10:59:24,814 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 10:59:24,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:24,824 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 10:59:24,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:24,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,843 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:59:24,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:59:24,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,856 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:59:24,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:59:24,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:59:24,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:59:24,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:59:24,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:59:24,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:24,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:59:24,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:24,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,908 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 10:59:24,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:24,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,924 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 10:59:24,932 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 10:59:24,935 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 10:59:24,938 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 10:59:24,945 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 10:59:24,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:24,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:24,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,973 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 10:59:24,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 10:59:24,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:24,987 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 10:59:24,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 10:59:24,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:25,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:59:25,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:59:25,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:25,225 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 10:59:25,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 10:59:25,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:59:25,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 10:59:25,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 10:59:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:25,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:59:25,282 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 10:59:25,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 167 [2022-12-14 10:59:25,300 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 10:59:25,303 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:59:28,808 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10253#(and (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0)) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 20) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 10:59:28,808 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:59:28,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:59:28,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 19] total 43 [2022-12-14 10:59:28,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118520815] [2022-12-14 10:59:28,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:59:28,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-14 10:59:28,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:28,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-14 10:59:28,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=3123, Unknown=16, NotChecked=114, Total=3540 [2022-12-14 10:59:28,810 INFO L87 Difference]: Start difference. First operand 109 states and 117 transitions. Second operand has 43 states, 43 states have (on average 3.5348837209302326) internal successors, (152), 43 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:59:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:30,494 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2022-12-14 10:59:30,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 10:59:30,494 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 3.5348837209302326) internal successors, (152), 43 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-12-14 10:59:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:30,495 INFO L225 Difference]: With dead ends: 129 [2022-12-14 10:59:30,495 INFO L226 Difference]: Without dead ends: 129 [2022-12-14 10:59:30,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 171 SyntacticMatches, 9 SemanticMatches, 74 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2128 ImplicationChecksByTransitivity, 23.9s TimeCoverageRelationStatistics Valid=696, Invalid=4842, Unknown=16, NotChecked=146, Total=5700 [2022-12-14 10:59:30,495 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 415 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 96 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:30,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 505 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 732 Invalid, 0 Unknown, 96 Unchecked, 0.6s Time] [2022-12-14 10:59:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-14 10:59:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 110. [2022-12-14 10:59:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 109 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:59:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2022-12-14 10:59:30,497 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 71 [2022-12-14 10:59:30,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:30,497 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2022-12-14 10:59:30,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.5348837209302326) internal successors, (152), 43 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:59:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-12-14 10:59:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 10:59:30,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:30,498 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-14 10:59:30,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-14 10:59:30,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:30,699 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 10:59:30,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:30,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2143147232, now seen corresponding path program 2 times [2022-12-14 10:59:30,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:30,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434552431] [2022-12-14 10:59:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:30,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 10:59:31,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:31,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434552431] [2022-12-14 10:59:31,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434552431] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:59:31,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302537011] [2022-12-14 10:59:31,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 10:59:31,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:31,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:31,889 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:59:31,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-14 10:59:32,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 10:59:32,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 10:59:32,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 68 conjunts are in the unsatisfiable core [2022-12-14 10:59:32,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:59:32,169 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 10:59:32,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:32,219 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 10:59:32,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 27 [2022-12-14 10:59:32,313 INFO L321 Elim1Store]: treesize reduction 68, result has 31.3 percent of original size [2022-12-14 10:59:32,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 45 [2022-12-14 10:59:32,385 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 10:59:32,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2022-12-14 10:59:32,458 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 10:59:32,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2022-12-14 10:59:32,484 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 10:59:32,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2022-12-14 10:59:32,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 10:59:32,520 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-12-14 10:59:32,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 43 [2022-12-14 10:59:32,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 10:59:32,625 INFO L321 Elim1Store]: treesize reduction 55, result has 14.1 percent of original size [2022-12-14 10:59:32,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 10:59:32,702 INFO L321 Elim1Store]: treesize reduction 118, result has 21.9 percent of original size [2022-12-14 10:59:32,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 96 [2022-12-14 10:59:32,707 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 150 treesize of output 142 [2022-12-14 10:59:41,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 101 [2022-12-14 10:59:44,220 INFO L321 Elim1Store]: treesize reduction 46, result has 82.8 percent of original size [2022-12-14 10:59:44,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 28 case distinctions, treesize of input 212 treesize of output 303 [2022-12-14 11:00:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 56 proven. 20 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 11:00:05,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:00:05,341 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:00:05,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 127 [2022-12-14 11:00:05,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 212 [2022-12-14 11:00:05,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 101 [2022-12-14 11:00:14,130 WARN L233 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 48 DAG size of output: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:00:14,147 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:00:14,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 115 [2022-12-14 11:00:14,167 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:00:14,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 66 [2022-12-14 11:00:23,677 INFO L321 Elim1Store]: treesize reduction 50, result has 33.3 percent of original size [2022-12-14 11:00:23,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 80 [2022-12-14 11:00:23,689 INFO L321 Elim1Store]: treesize reduction 20, result has 31.0 percent of original size [2022-12-14 11:00:23,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 52 [2022-12-14 11:00:24,510 INFO L321 Elim1Store]: treesize reduction 58, result has 34.8 percent of original size [2022-12-14 11:00:24,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 472 treesize of output 183 [2022-12-14 11:00:24,570 INFO L321 Elim1Store]: treesize reduction 54, result has 59.4 percent of original size [2022-12-14 11:00:24,571 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 7 new quantified variables, introduced 10 case distinctions, treesize of input 1243 treesize of output 1228 [2022-12-14 11:00:24,620 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:00:24,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1359 treesize of output 1187 [2022-12-14 11:00:24,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:00:24,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:00:25,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:00:25,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:00:25,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2022-12-14 11:00:31,291 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 30 DAG size of output: 19 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:00:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 56 proven. 20 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 11:00:31,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302537011] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:00:31,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1304214926] [2022-12-14 11:00:31,304 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 11:00:31,304 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:00:31,304 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:00:31,304 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:00:31,304 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:00:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:00:31,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:00:31,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:00:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:00:31,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:31,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 11:00:31,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 11:00:31,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:31,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 11:00:31,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:00:31,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:00:31,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:00:31,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:00:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 11:00:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:00:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 11:00:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 11:00:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 62 [2022-12-14 11:00:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2022-12-14 11:00:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 11:00:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 11:00:31,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 11:00:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-12-14 11:00:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2022-12-14 11:00:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,696 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:00:31,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 338 [2022-12-14 11:00:31,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,724 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:00:31,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 351 treesize of output 353 [2022-12-14 11:00:31,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,750 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:00:31,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 351 treesize of output 353 [2022-12-14 11:00:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,827 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:00:31,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 338 [2022-12-14 11:00:31,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,857 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 11:00:31,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 365 [2022-12-14 11:00:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,883 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 11:00:31,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 360 treesize of output 365 [2022-12-14 11:00:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:31,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,979 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:00:31,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 338 [2022-12-14 11:00:31,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:31,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:32,006 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 11:00:32,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 369 treesize of output 368 [2022-12-14 11:00:32,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:32,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:32,032 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 11:00:32,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 363 treesize of output 362 [2022-12-14 11:00:32,220 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 11:00:32,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 510 treesize of output 511 [2022-12-14 11:00:32,329 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 11:00:32,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 450 [2022-12-14 11:00:32,370 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 11:00:32,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 552 treesize of output 537 [2022-12-14 11:00:32,455 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 11:00:32,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 548 treesize of output 544 [2022-12-14 11:00:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,551 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 11:00:32,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 11:00:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:32,654 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 11:00:32,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 557 treesize of output 556 [2022-12-14 11:00:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,701 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 11:00:32,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 11:00:32,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:32,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:32,884 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 11:00:32,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 566 treesize of output 568 [2022-12-14 11:00:32,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,929 INFO L321 Elim1Store]: treesize reduction 146, result has 11.5 percent of original size [2022-12-14 11:00:32,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 537 [2022-12-14 11:00:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:32,970 INFO L321 Elim1Store]: treesize reduction 122, result has 13.5 percent of original size [2022-12-14 11:00:32,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 556 treesize of output 450 [2022-12-14 11:00:33,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:00:33,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:00:33,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:00:33,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:00:33,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:33,057 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:00:33,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 11:00:33,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:33,071 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:00:33,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:00:33,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:00:33,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:00:33,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:00:33,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:00:33,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:00:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:33,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:00:33,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:33,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:00:33,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,145 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:00:33,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:00:33,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:00:33,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:00:33,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:33,183 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:00:33,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:00:33,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:33,201 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:00:33,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 11:00:33,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:00:33,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:00:33,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:33,443 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:00:33,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 11:00:33,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:00:33,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:00:33,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:33,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:00:33,503 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:00:33,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 167 [2022-12-14 11:00:33,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:00:33,526 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:00:37,140 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11014#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|))' at error location [2022-12-14 11:00:37,140 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:00:37,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:00:37,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 17] total 45 [2022-12-14 11:00:37,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461129168] [2022-12-14 11:00:37,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:00:37,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-12-14 11:00:37,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:00:37,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-12-14 11:00:37,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=3580, Unknown=10, NotChecked=0, Total=3906 [2022-12-14 11:00:37,142 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:00:50,704 WARN L233 SmtUtils]: Spent 13.45s on a formula simplification. DAG size of input: 185 DAG size of output: 172 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:00:58,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:00:58,532 INFO L93 Difference]: Finished difference Result 131 states and 140 transitions. [2022-12-14 11:00:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 11:00:58,533 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 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) Word has length 72 [2022-12-14 11:00:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:00:58,534 INFO L225 Difference]: With dead ends: 131 [2022-12-14 11:00:58,534 INFO L226 Difference]: Without dead ends: 131 [2022-12-14 11:00:58,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 169 SyntacticMatches, 9 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2635 ImplicationChecksByTransitivity, 59.2s TimeCoverageRelationStatistics Valid=859, Invalid=6441, Unknown=10, NotChecked=0, Total=7310 [2022-12-14 11:00:58,534 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 867 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:00:58,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 478 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1391 Invalid, 1 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 11:00:58,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-12-14 11:00:58,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 112. [2022-12-14 11:00:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 111 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:00:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2022-12-14 11:00:58,536 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 72 [2022-12-14 11:00:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:00:58,536 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2022-12-14 11:00:58,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:00:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2022-12-14 11:00:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 11:00:58,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:00:58,537 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-14 11:00:58,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-12-14 11:00:58,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:00:58,738 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 11:00:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:00:58,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2143147233, now seen corresponding path program 2 times [2022-12-14 11:00:58,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:00:58,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073963225] [2022-12-14 11:00:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:58,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:00:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:01:00,513 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 60 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 11:01:00,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:01:00,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073963225] [2022-12-14 11:01:00,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073963225] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:01:00,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147147956] [2022-12-14 11:01:00,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:01:00,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:01:00,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:01:00,514 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:01:00,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-12-14 11:01:01,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 11:01:01,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:01:01,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-14 11:01:01,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:01:01,182 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:01:01,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 11:01:01,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:01:01,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:01:01,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:01:01,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:01:01,351 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:01:01,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 62 [2022-12-14 11:01:01,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2022-12-14 11:01:01,457 INFO L321 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2022-12-14 11:01:01,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2022-12-14 11:01:01,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 26 treesize of output 28 [2022-12-14 11:01:01,543 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 46 treesize of output 44 [2022-12-14 11:01:01,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2022-12-14 11:01:01,627 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 46 treesize of output 44 [2022-12-14 11:01:01,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2022-12-14 11:01:01,658 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 46 treesize of output 44 [2022-12-14 11:01:01,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2022-12-14 11:01:01,698 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 53 treesize of output 40 [2022-12-14 11:01:01,709 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 44 treesize of output 37 [2022-12-14 11:01:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:01,811 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 53 treesize of output 49 [2022-12-14 11:01:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:01,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:01,820 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:01:01,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 52 [2022-12-14 11:01:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:01,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:01,870 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:01:01,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 76 [2022-12-14 11:01:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:01,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 67 [2022-12-14 11:01:02,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:02,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:02,813 INFO L321 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-12-14 11:01:02,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 129 treesize of output 61 [2022-12-14 11:01:02,823 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-12-14 11:01:02,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 30 [2022-12-14 11:01:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 69 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 11:01:02,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:01:11,515 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:11,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 306 treesize of output 242 [2022-12-14 11:01:11,533 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:11,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 199 treesize of output 156 [2022-12-14 11:01:11,562 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:11,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 178 treesize of output 134 [2022-12-14 11:01:11,575 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:11,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 88 [2022-12-14 11:01:11,594 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (and (forall ((v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_6127 Int) (v_ArrVal_6125 Int) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse0 (let ((.cse8 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_29))) (store .cse8 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse8 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse7 v_ArrVal_6127))))) (let ((.cse4 (select (select .cse0 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse5))) (or (let ((.cse3 (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_30))) (store .cse6 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse6 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse7 v_ArrVal_6125))))) (let ((.cse1 (select (select .cse3 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse5)) (.cse2 (+ .cse4 4))) (<= (+ (select (select .cse0 .cse1) .cse2) 8) (select |c_#length| (select (select .cse3 .cse1) .cse2))))) (not (<= (select v_arrayElimArr_29 .cse5) |c_ULTIMATE.start_dll_create_~head~0#1.offset|)) (not (<= 0 .cse4)) (not (= (select v_arrayElimArr_30 .cse5) |c_ULTIMATE.start_dll_create_~head~0#1.base|)))))) (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_6127 Int) (v_ArrVal_6125 Int) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse10 (let ((.cse12 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_31))) (store .cse12 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse12 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse7 v_ArrVal_6127))))) (let ((.cse9 (select (select .cse10 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse5))) (or (not (<= 0 .cse9)) (not (<= (select v_arrayElimArr_31 .cse5) |c_ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= 0 (+ (select (select .cse10 (select (select (let ((.cse11 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_32))) (store .cse11 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse11 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse7 v_ArrVal_6125))) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse5)) (+ .cse9 4)) 4)) (not (= (select v_arrayElimArr_32 .cse5) |c_ULTIMATE.start_dll_create_~head~0#1.base|)))))))) is different from false [2022-12-14 11:01:14,911 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:14,911 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 666 treesize of output 670 [2022-12-14 11:01:16,671 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:16,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 241 treesize of output 201 [2022-12-14 11:01:16,688 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:16,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 109 [2022-12-14 11:01:16,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:16,775 INFO L321 Elim1Store]: treesize reduction 33, result has 71.3 percent of original size [2022-12-14 11:01:16,776 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 9 case distinctions, treesize of input 13617 treesize of output 13277 [2022-12-14 11:01:16,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:16,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68707 treesize of output 68125 [2022-12-14 11:01:17,095 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:17,096 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 73687 treesize of output 72531 [2022-12-14 11:01:17,543 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 83651 treesize of output 76687 [2022-12-14 11:01:17,822 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 82245 treesize of output 81085 [2022-12-14 11:01:18,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:18,217 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:18,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 83107 treesize of output 79867 [2022-12-14 11:01:18,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:18,689 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:18,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 84416 treesize of output 76892 [2022-12-14 11:01:43,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:43,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:43,874 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 26 treesize of output 26 [2022-12-14 11:01:44,008 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:44,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 240 treesize of output 200 [2022-12-14 11:01:44,027 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:44,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 108 [2022-12-14 11:01:44,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:44,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:44,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 892 treesize of output 870 [2022-12-14 11:01:44,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:44,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7154 treesize of output 7084 [2022-12-14 11:01:44,105 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 7694 treesize of output 7558 [2022-12-14 11:01:44,160 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:44,160 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 8184 treesize of output 8052 [2022-12-14 11:01:44,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:44,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:44,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:44,294 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:44,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 7830 treesize of output 7017 [2022-12-14 11:01:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:44,489 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:44,489 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 5 new quantified variables, introduced 14 case distinctions, treesize of input 6950 treesize of output 6358 [2022-12-14 11:01:44,575 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 3037 treesize of output 2765 [2022-12-14 11:01:44,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:44,733 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:44,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2580 treesize of output 2272 [2022-12-14 11:01:58,512 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:58,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 242 treesize of output 172 [2022-12-14 11:01:58,534 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:58,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 110 [2022-12-14 11:01:58,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:58,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:58,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 144 [2022-12-14 11:01:58,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:58,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:58,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1322 treesize of output 1292 [2022-12-14 11:01:58,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:58,734 INFO L321 Elim1Store]: treesize reduction 8, result has 92.4 percent of original size [2022-12-14 11:01:58,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1610 treesize of output 1588 [2022-12-14 11:01:58,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:01:58,824 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:58,825 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 1800 treesize of output 1752 [2022-12-14 11:01:58,903 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:01:58,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2480 treesize of output 2146 [2022-12-14 11:01:58,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:02:01,426 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:01,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 242 treesize of output 172 [2022-12-14 11:02:01,448 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:01,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 110 [2022-12-14 11:02:01,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:01,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:01,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 144 [2022-12-14 11:02:01,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:01,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:01,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1322 treesize of output 1292 [2022-12-14 11:02:01,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:01,544 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:01,544 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 1602 treesize of output 1554 [2022-12-14 11:02:01,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:01,713 INFO L321 Elim1Store]: treesize reduction 8, result has 92.4 percent of original size [2022-12-14 11:02:01,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1808 treesize of output 1786 [2022-12-14 11:02:01,795 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:01,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2480 treesize of output 2146 [2022-12-14 11:02:01,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:02:04,476 INFO L321 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-12-14 11:02:04,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 19 [2022-12-14 11:02:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 60 proven. 31 refuted. 2 times theorem prover too weak. 17 trivial. 3 not checked. [2022-12-14 11:02:04,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147147956] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:02:04,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1378829554] [2022-12-14 11:02:04,948 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 11:02:04,948 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:02:04,948 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:02:04,948 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:02:04,948 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:02:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:04,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:02:04,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:02:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:04,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:02:04,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:02:05,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:05,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 11:02:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-12-14 11:02:05,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:05,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 11:02:05,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:05,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:05,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2022-12-14 11:02:05,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 11:02:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:02:05,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:02:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-12-14 11:02:05,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2022-12-14 11:02:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 11:02:05,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 11:02:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2022-12-14 11:02:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 11:02:05,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-12-14 11:02:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,354 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:02:05,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 339 treesize of output 341 [2022-12-14 11:02:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,384 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:02:05,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 11:02:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,408 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:02:05,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 339 treesize of output 341 [2022-12-14 11:02:05,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,480 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 11:02:05,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 353 [2022-12-14 11:02:05,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,509 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 11:02:05,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 353 [2022-12-14 11:02:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,537 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:02:05,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 345 treesize of output 326 [2022-12-14 11:02:05,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,637 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 11:02:05,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 357 treesize of output 358 [2022-12-14 11:02:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:05,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,676 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:02:05,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 341 treesize of output 322 [2022-12-14 11:02:05,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:05,703 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 11:02:05,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 353 treesize of output 354 [2022-12-14 11:02:05,895 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 11:02:05,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 545 treesize of output 538 [2022-12-14 11:02:06,026 INFO L321 Elim1Store]: treesize reduction 200, result has 13.8 percent of original size [2022-12-14 11:02:06,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 587 treesize of output 557 [2022-12-14 11:02:06,113 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 11:02:06,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 583 treesize of output 579 [2022-12-14 11:02:06,172 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 11:02:06,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 587 treesize of output 479 [2022-12-14 11:02:06,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,326 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 11:02:06,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 591 treesize of output 479 [2022-12-14 11:02:06,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,387 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 11:02:06,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 591 treesize of output 557 [2022-12-14 11:02:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:06,483 INFO L321 Elim1Store]: treesize reduction 442, result has 8.1 percent of original size [2022-12-14 11:02:06,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 592 treesize of output 591 [2022-12-14 11:02:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:06,646 INFO L321 Elim1Store]: treesize reduction 496, result has 7.3 percent of original size [2022-12-14 11:02:06,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 601 treesize of output 603 [2022-12-14 11:02:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,703 INFO L321 Elim1Store]: treesize reduction 206, result has 14.2 percent of original size [2022-12-14 11:02:06,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 591 treesize of output 479 [2022-12-14 11:02:06,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,756 INFO L321 Elim1Store]: treesize reduction 210, result has 13.2 percent of original size [2022-12-14 11:02:06,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 591 treesize of output 557 [2022-12-14 11:02:06,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:06,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:06,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:06,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:06,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:06,853 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:02:06,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 11:02:06,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:06,870 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:02:06,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:02:06,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:02:06,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:02:06,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:02:06,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:02:06,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:02:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:02:06,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:06,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:02:06,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:06,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:06,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:06,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:06,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:06,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:07,007 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:02:07,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 11:02:07,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:07,023 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:02:07,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:02:07,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:07,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:02:07,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:02:07,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:07,264 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:02:07,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 155 [2022-12-14 11:02:07,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:02:07,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:02:07,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:07,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:02:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:07,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:07,342 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:02:07,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 167 [2022-12-14 11:02:07,358 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:02:13,040 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11806#(and (or (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (not (<= 0 (+ |ULTIMATE.start_main_~head~1#1.offset| 4)))) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|))' at error location [2022-12-14 11:02:13,040 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:02:13,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:02:13,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 21] total 58 [2022-12-14 11:02:13,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300170237] [2022-12-14 11:02:13,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:02:13,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-12-14 11:02:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:02:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-12-14 11:02:13,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=5162, Unknown=13, NotChecked=146, Total=5700 [2022-12-14 11:02:13,042 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand has 59 states, 58 states have (on average 2.9482758620689653) internal successors, (171), 59 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:02:37,412 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2022-12-14 11:02:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 11:02:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.9482758620689653) internal successors, (171), 59 states have internal predecessors, (171), 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 72 [2022-12-14 11:02:37,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:02:37,414 INFO L225 Difference]: With dead ends: 157 [2022-12-14 11:02:37,414 INFO L226 Difference]: Without dead ends: 157 [2022-12-14 11:02:37,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 158 SyntacticMatches, 10 SemanticMatches, 98 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 3416 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=1203, Invalid=8463, Unknown=40, NotChecked=194, Total=9900 [2022-12-14 11:02:37,415 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2097 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 75 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2097 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 105 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:02:37,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2097 Valid, 422 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1361 Invalid, 3 Unknown, 105 Unchecked, 4.9s Time] [2022-12-14 11:02:37,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-14 11:02:37,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 132. [2022-12-14 11:02:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 131 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 148 transitions. [2022-12-14 11:02:37,417 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 148 transitions. Word has length 72 [2022-12-14 11:02:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:02:37,417 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 148 transitions. [2022-12-14 11:02:37,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.9482758620689653) internal successors, (171), 59 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2022-12-14 11:02:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 11:02:37,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:02:37,417 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:02:37,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-12-14 11:02:37,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-14 11:02:37,619 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 11:02:37,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:02:37,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1883209119, now seen corresponding path program 2 times [2022-12-14 11:02:37,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:02:37,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347219470] [2022-12-14 11:02:37,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:02:37,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:02:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:02:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 64 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 11:02:40,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:02:40,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347219470] [2022-12-14 11:02:40,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347219470] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:02:40,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394944510] [2022-12-14 11:02:40,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:02:40,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:02:40,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:02:40,050 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:02:40,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4080baa-03b8-40ce-b0e8-25c7bc953be6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-14 11:02:49,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 11:02:49,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:02:49,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 129 conjunts are in the unsatisfiable core [2022-12-14 11:02:49,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:02:49,185 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:02:49,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 11:02:49,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:02:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:49,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:02:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:49,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:02:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:49,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:02:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:49,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:02:49,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:02:49,288 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:02:49,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 11:02:49,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:02:49,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:02:49,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:02:49,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:02:49,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:49,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:02:49,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:49,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 11:02:49,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:02:49,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:49,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 58 [2022-12-14 11:02:49,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2022-12-14 11:02:49,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2022-12-14 11:02:49,641 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-14 11:02:49,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-12-14 11:02:49,737 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 11:02:49,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:02:49,745 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 18 treesize of output 20 [2022-12-14 11:02:49,751 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 25 treesize of output 30 [2022-12-14 11:02:49,829 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 18 treesize of output 20 [2022-12-14 11:02:49,845 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 11:02:49,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:02:49,860 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 25 treesize of output 30 [2022-12-14 11:02:49,886 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 18 treesize of output 20 [2022-12-14 11:02:49,893 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 25 treesize of output 30 [2022-12-14 11:02:49,903 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 11:02:49,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 11:02:49,934 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 32 treesize of output 34 [2022-12-14 11:02:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:49,945 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:49,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 52 [2022-12-14 11:02:49,957 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 18 treesize of output 20 [2022-12-14 11:02:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:50,055 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 41 treesize of output 46 [2022-12-14 11:02:50,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:50,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:50,075 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 11:02:50,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 64 [2022-12-14 11:02:50,088 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 18 treesize of output 20 [2022-12-14 11:02:50,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:50,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:50,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:50,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:50,150 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 11:02:50,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 179 treesize of output 102 [2022-12-14 11:02:50,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:50,164 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:02:50,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2022-12-14 11:02:50,177 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 30 treesize of output 32 [2022-12-14 11:02:51,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:51,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:51,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:02:51,221 INFO L321 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-12-14 11:02:51,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 166 treesize of output 77 [2022-12-14 11:02:51,231 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:02:51,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 28 [2022-12-14 11:02:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 66 proven. 52 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 11:02:51,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:02:52,060 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6543 (Array Int Int)) (v_ArrVal_6547 Int) (v_ArrVal_6545 Int) (v_ArrVal_6544 Int) (v_ArrVal_6549 (Array Int Int)) (v_ArrVal_6550 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse6 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) (.cse9 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (let ((.cse5 (let ((.cse10 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse6 |c_ULTIMATE.start_dll_create_~head~0#1.offset|) .cse9 v_ArrVal_6544)))) (store .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse8 v_ArrVal_6547)))) (.cse2 (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse6 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse9 v_ArrVal_6545)))) (store .cse7 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse7 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse8 v_ArrVal_6550))))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6543) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6549)) (.cse3 (select (select .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse6)) (.cse0 (select (select .cse5 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse6))) (or (not (<= 0 .cse0)) (= (let ((.cse4 (+ .cse0 4))) (select (select .cse1 (select (select .cse2 .cse3) .cse4)) (select (select .cse5 .cse3) .cse4))) 0) (not (= (select (select .cse1 .cse3) .cse0) 0))))))) is different from false [2022-12-14 11:02:52,087 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:52,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 364 treesize of output 300 [2022-12-14 11:02:52,100 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:52,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 330 treesize of output 246 [2022-12-14 11:02:55,861 INFO L321 Elim1Store]: treesize reduction 58, result has 34.8 percent of original size [2022-12-14 11:02:55,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 908 treesize of output 618 [2022-12-14 11:02:55,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:56,021 INFO L321 Elim1Store]: treesize reduction 29, result has 67.0 percent of original size [2022-12-14 11:02:56,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 6243 treesize of output 6239 [2022-12-14 11:02:56,106 INFO L321 Elim1Store]: treesize reduction 58, result has 34.8 percent of original size [2022-12-14 11:02:56,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 6258 treesize of output 2528 [2022-12-14 11:02:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:56,247 INFO L321 Elim1Store]: treesize reduction 42, result has 66.9 percent of original size [2022-12-14 11:02:56,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26150 treesize of output 24860 [2022-12-14 11:02:56,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:56,440 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 29575 treesize of output 23448 [2022-12-14 11:02:56,797 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:56,798 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 28180 treesize of output 26326 [2022-12-14 11:02:57,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:02:57,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:02:58,533 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:58,534 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 10983 treesize of output 10828 [2022-12-14 11:02:59,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:02:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:59,729 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:02:59,730 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 885 treesize of output 879 [2022-12-14 11:03:00,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:03:00,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 12865 treesize of output 12713