./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0513.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0513.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9 --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 aaec9a71c2206d3d9fbfa56b3c6172e3ff60aad385f0ad346fdbde53f8ce1a2e --- 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-6b4ec56 [2022-11-20 21:17:27,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:17:27,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:17:27,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:17:27,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:17:27,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:17:27,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:17:27,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:17:27,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:17:27,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:17:27,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:17:27,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:17:27,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:17:27,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:17:27,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:17:27,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:17:27,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:17:27,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:17:27,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:17:27,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:17:27,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:17:27,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:17:27,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:17:27,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:17:27,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:17:27,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:17:27,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:17:27,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:17:27,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:17:27,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:17:27,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:17:27,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:17:27,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:17:27,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:17:27,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:17:27,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:17:27,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:17:27,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:17:27,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:17:27,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:17:27,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:17:27,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-20 21:17:27,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:17:27,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:17:27,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:17:27,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:17:27,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:17:27,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:17:27,518 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:17:27,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:17:27,518 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:17:27,518 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:17:27,519 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:17:27,519 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:17:27,519 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:17:27,519 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:17:27,519 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:17:27,520 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:17:27,520 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:17:27,520 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:17:27,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 21:17:27,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 21:17:27,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:17:27,521 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:17:27,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:17:27,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:17:27,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:17:27,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:17:27,544 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 21:17:27,544 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 21:17:27,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 21:17:27,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:17:27,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:17:27,546 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:17:27,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:17:27,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:17:27,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:17:27,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:17:27,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:17:27,548 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:17:27,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:17:27,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:17:27,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:17:27,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:17:27,549 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_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaec9a71c2206d3d9fbfa56b3c6172e3ff60aad385f0ad346fdbde53f8ce1a2e [2022-11-20 21:17:27,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:17:27,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:17:27,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:17:27,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:17:27,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:17:27,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/memsafety/test-0513.i [2022-11-20 21:17:30,928 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:17:31,230 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:17:31,231 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/sv-benchmarks/c/memsafety/test-0513.i [2022-11-20 21:17:31,256 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/data/83a0a048d/2359dd5e150a452fad340e804c562bfc/FLAG83e93c180 [2022-11-20 21:17:31,280 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/data/83a0a048d/2359dd5e150a452fad340e804c562bfc [2022-11-20 21:17:31,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:17:31,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:17:31,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:17:31,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:17:31,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:17:31,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc983b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31, skipping insertion in model container [2022-11-20 21:17:31,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:17:31,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:17:31,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:17:31,685 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:17:31,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:17:31,803 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:17:31,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31 WrapperNode [2022-11-20 21:17:31,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:17:31,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:17:31,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:17:31,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:17:31,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,886 INFO L138 Inliner]: procedures = 123, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 124 [2022-11-20 21:17:31,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:17:31,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:17:31,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:17:31,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:17:31,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:17:31,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:17:31,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:17:31,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:17:31,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (1/1) ... [2022-11-20 21:17:31,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:17:31,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:17:31,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:17:31,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:17:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:17:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:17:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:17:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:17:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:17:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:17:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:17:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:17:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:17:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:17:32,204 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:17:32,206 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:17:32,796 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:17:32,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:17:32,885 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 21:17:32,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:17:32 BoogieIcfgContainer [2022-11-20 21:17:32,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:17:32,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:17:32,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:17:32,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:17:32,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:17:31" (1/3) ... [2022-11-20 21:17:32,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba91613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:17:32, skipping insertion in model container [2022-11-20 21:17:32,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:31" (2/3) ... [2022-11-20 21:17:32,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba91613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:17:32, skipping insertion in model container [2022-11-20 21:17:32,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:17:32" (3/3) ... [2022-11-20 21:17:32,904 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0513.i [2022-11-20 21:17:32,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:17:32,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-11-20 21:17:32,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:17:32,982 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;@4b5205b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:17:32,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-11-20 21:17:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 48 states have (on average 2.5208333333333335) internal successors, (121), 110 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) [2022-11-20 21:17:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 21:17:32,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:32,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 21:17:32,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:32,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash 7320914, now seen corresponding path program 1 times [2022-11-20 21:17:33,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:33,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921311305] [2022-11-20 21:17:33,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:33,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:33,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:33,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921311305] [2022-11-20 21:17:33,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921311305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:33,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:33,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:17:33,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193046492] [2022-11-20 21:17:33,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:33,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 21:17:33,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:33,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 21:17:33,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:17:33,295 INFO L87 Difference]: Start difference. First operand has 111 states, 48 states have (on average 2.5208333333333335) internal successors, (121), 110 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:33,436 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2022-11-20 21:17:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 21:17:33,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 21:17:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:33,461 INFO L225 Difference]: With dead ends: 111 [2022-11-20 21:17:33,463 INFO L226 Difference]: Without dead ends: 110 [2022-11-20 21:17:33,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:17:33,469 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:33,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-20 21:17:33,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-20 21:17:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 48 states have (on average 2.4583333333333335) internal successors, (118), 109 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2022-11-20 21:17:33,511 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 4 [2022-11-20 21:17:33,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:33,512 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2022-11-20 21:17:33,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-11-20 21:17:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 21:17:33,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:33,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 21:17:33,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:17:33,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:33,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:33,515 INFO L85 PathProgramCache]: Analyzing trace with hash 7282819, now seen corresponding path program 1 times [2022-11-20 21:17:33,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:33,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474025862] [2022-11-20 21:17:33,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:33,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:33,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474025862] [2022-11-20 21:17:33,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474025862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:33,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:33,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:17:33,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292021173] [2022-11-20 21:17:33,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:33,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:33,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:33,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:33,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:33,601 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:33,768 INFO L93 Difference]: Finished difference Result 135 states and 147 transitions. [2022-11-20 21:17:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:33,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 21:17:33,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:33,771 INFO L225 Difference]: With dead ends: 135 [2022-11-20 21:17:33,772 INFO L226 Difference]: Without dead ends: 135 [2022-11-20 21:17:33,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:33,773 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 62 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:33,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 122 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:33,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-20 21:17:33,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2022-11-20 21:17:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 51 states have (on average 2.392156862745098) internal successors, (122), 109 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2022-11-20 21:17:33,785 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 4 [2022-11-20 21:17:33,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:33,786 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2022-11-20 21:17:33,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-11-20 21:17:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 21:17:33,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:33,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 21:17:33,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:17:33,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:33,788 INFO L85 PathProgramCache]: Analyzing trace with hash 7282820, now seen corresponding path program 1 times [2022-11-20 21:17:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:33,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286672709] [2022-11-20 21:17:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:33,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:33,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:33,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286672709] [2022-11-20 21:17:33,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286672709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:33,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:33,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:17:33,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272250507] [2022-11-20 21:17:33,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:33,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:33,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:33,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:33,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:33,885 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:33,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:33,989 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2022-11-20 21:17:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 21:17:33,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:33,991 INFO L225 Difference]: With dead ends: 108 [2022-11-20 21:17:33,991 INFO L226 Difference]: Without dead ends: 108 [2022-11-20 21:17:33,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:33,993 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 17 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:33,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 131 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-20 21:17:33,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-11-20 21:17:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 51 states have (on average 2.3529411764705883) internal successors, (120), 107 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2022-11-20 21:17:34,001 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 4 [2022-11-20 21:17:34,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:34,002 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2022-11-20 21:17:34,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-11-20 21:17:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:17:34,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:34,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:17:34,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:17:34,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:34,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:34,004 INFO L85 PathProgramCache]: Analyzing trace with hash 225559209, now seen corresponding path program 1 times [2022-11-20 21:17:34,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:34,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929443387] [2022-11-20 21:17:34,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:34,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:34,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:34,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929443387] [2022-11-20 21:17:34,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929443387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:34,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:34,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 21:17:34,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276180522] [2022-11-20 21:17:34,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:34,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:34,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:34,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:34,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,032 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:34,163 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2022-11-20 21:17:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:34,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-20 21:17:34,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:34,165 INFO L225 Difference]: With dead ends: 149 [2022-11-20 21:17:34,166 INFO L226 Difference]: Without dead ends: 148 [2022-11-20 21:17:34,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,167 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 37 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:34,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 130 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:34,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-20 21:17:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 111. [2022-11-20 21:17:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 54 states have (on average 2.2962962962962963) internal successors, (124), 110 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2022-11-20 21:17:34,175 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 5 [2022-11-20 21:17:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:34,176 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2022-11-20 21:17:34,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2022-11-20 21:17:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:17:34,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:34,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:17:34,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:17:34,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:34,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:34,178 INFO L85 PathProgramCache]: Analyzing trace with hash 225559133, now seen corresponding path program 1 times [2022-11-20 21:17:34,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:34,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570506591] [2022-11-20 21:17:34,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:34,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:34,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:34,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570506591] [2022-11-20 21:17:34,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570506591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:34,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:34,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:17:34,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110605812] [2022-11-20 21:17:34,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:34,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:34,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:34,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:34,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,212 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:34,344 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2022-11-20 21:17:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:34,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-20 21:17:34,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:34,350 INFO L225 Difference]: With dead ends: 116 [2022-11-20 21:17:34,350 INFO L226 Difference]: Without dead ends: 115 [2022-11-20 21:17:34,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,352 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 7 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:34,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 146 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:34,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-20 21:17:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2022-11-20 21:17:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 56 states have (on average 2.232142857142857) internal successors, (125), 112 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2022-11-20 21:17:34,395 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 5 [2022-11-20 21:17:34,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:34,395 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2022-11-20 21:17:34,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2022-11-20 21:17:34,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:17:34,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:34,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:34,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 21:17:34,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:34,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:34,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2074891572, now seen corresponding path program 1 times [2022-11-20 21:17:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:34,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773447380] [2022-11-20 21:17:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:34,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:34,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:34,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773447380] [2022-11-20 21:17:34,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773447380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:34,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:34,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:17:34,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365011072] [2022-11-20 21:17:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:34,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:34,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:34,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,559 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:34,663 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2022-11-20 21:17:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:34,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-11-20 21:17:34,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:34,664 INFO L225 Difference]: With dead ends: 109 [2022-11-20 21:17:34,664 INFO L226 Difference]: Without dead ends: 109 [2022-11-20 21:17:34,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,666 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 19 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:34,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 117 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-20 21:17:34,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-11-20 21:17:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 56 states have (on average 2.1607142857142856) internal successors, (121), 108 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) [2022-11-20 21:17:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2022-11-20 21:17:34,672 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 7 [2022-11-20 21:17:34,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:34,673 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2022-11-20 21:17:34,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-11-20 21:17:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:17:34,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:34,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:34,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 21:17:34,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:34,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:34,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2074891571, now seen corresponding path program 1 times [2022-11-20 21:17:34,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:34,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008670805] [2022-11-20 21:17:34,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:34,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:34,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:34,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008670805] [2022-11-20 21:17:34,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008670805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:34,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:34,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:17:34,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314392480] [2022-11-20 21:17:34,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:34,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:17:34,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:34,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:17:34,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,772 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:34,872 INFO L93 Difference]: Finished difference Result 106 states and 118 transitions. [2022-11-20 21:17:34,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:17:34,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-11-20 21:17:34,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:34,873 INFO L225 Difference]: With dead ends: 106 [2022-11-20 21:17:34,873 INFO L226 Difference]: Without dead ends: 106 [2022-11-20 21:17:34,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:17:34,874 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:34,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 126 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-20 21:17:34,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-11-20 21:17:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 2.107142857142857) internal successors, (118), 105 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2022-11-20 21:17:34,879 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 7 [2022-11-20 21:17:34,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:34,880 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2022-11-20 21:17:34,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-11-20 21:17:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 21:17:34,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:34,881 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:34,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 21:17:34,881 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:34,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:34,882 INFO L85 PathProgramCache]: Analyzing trace with hash -525717927, now seen corresponding path program 1 times [2022-11-20 21:17:34,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:34,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724193515] [2022-11-20 21:17:34,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:34,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:34,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:34,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724193515] [2022-11-20 21:17:34,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724193515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:34,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:34,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:17:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665423482] [2022-11-20 21:17:34,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:34,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:17:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:17:34,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:17:34,964 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:35,170 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2022-11-20 21:17:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:17:35,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 21:17:35,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:35,171 INFO L225 Difference]: With dead ends: 191 [2022-11-20 21:17:35,171 INFO L226 Difference]: Without dead ends: 191 [2022-11-20 21:17:35,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:17:35,172 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 108 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:35,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 201 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-20 21:17:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 106. [2022-11-20 21:17:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 2.0714285714285716) internal successors, (116), 105 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2022-11-20 21:17:35,177 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 12 [2022-11-20 21:17:35,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:35,178 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2022-11-20 21:17:35,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2022-11-20 21:17:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 21:17:35,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:35,179 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:35,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 21:17:35,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:35,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:35,180 INFO L85 PathProgramCache]: Analyzing trace with hash -525718003, now seen corresponding path program 1 times [2022-11-20 21:17:35,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:35,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388032525] [2022-11-20 21:17:35,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:35,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:35,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388032525] [2022-11-20 21:17:35,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388032525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:35,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:35,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:35,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702112956] [2022-11-20 21:17:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:35,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:17:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:17:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:17:35,284 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:35,440 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2022-11-20 21:17:35,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:17:35,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 21:17:35,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:35,441 INFO L225 Difference]: With dead ends: 100 [2022-11-20 21:17:35,442 INFO L226 Difference]: Without dead ends: 100 [2022-11-20 21:17:35,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:17:35,443 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 34 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:35,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 105 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:35,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-20 21:17:35,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2022-11-20 21:17:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 57 states have (on average 1.9298245614035088) internal successors, (110), 98 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2022-11-20 21:17:35,447 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 12 [2022-11-20 21:17:35,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:35,447 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2022-11-20 21:17:35,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2022-11-20 21:17:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 21:17:35,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:35,448 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:35,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 21:17:35,449 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:35,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -525718002, now seen corresponding path program 1 times [2022-11-20 21:17:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:35,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370356398] [2022-11-20 21:17:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:35,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:35,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:35,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370356398] [2022-11-20 21:17:35,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370356398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:35,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:35,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:35,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097941183] [2022-11-20 21:17:35,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:35,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:17:35,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:17:35,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:17:35,583 INFO L87 Difference]: Start difference. First operand 99 states and 110 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:35,804 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2022-11-20 21:17:35,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:17:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 21:17:35,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:35,805 INFO L225 Difference]: With dead ends: 166 [2022-11-20 21:17:35,805 INFO L226 Difference]: Without dead ends: 166 [2022-11-20 21:17:35,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:17:35,806 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 81 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:35,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 107 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-20 21:17:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2022-11-20 21:17:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 87 states have (on average 1.9540229885057472) internal successors, (170), 126 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 170 transitions. [2022-11-20 21:17:35,810 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 170 transitions. Word has length 12 [2022-11-20 21:17:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:35,813 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 170 transitions. [2022-11-20 21:17:35,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2022-11-20 21:17:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 21:17:35,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:35,815 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:35,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 21:17:35,817 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:35,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash 78541249, now seen corresponding path program 1 times [2022-11-20 21:17:35,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:35,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220109871] [2022-11-20 21:17:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:35,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:35,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:35,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220109871] [2022-11-20 21:17:35,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220109871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:35,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:35,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:17:35,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284562217] [2022-11-20 21:17:35,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:35,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:17:35,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:35,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:17:35,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:17:35,946 INFO L87 Difference]: Start difference. First operand 127 states and 170 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:36,109 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2022-11-20 21:17:36,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:17:36,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 21:17:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:36,111 INFO L225 Difference]: With dead ends: 166 [2022-11-20 21:17:36,112 INFO L226 Difference]: Without dead ends: 166 [2022-11-20 21:17:36,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:17:36,113 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 189 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:36,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 166 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:36,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-20 21:17:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 128. [2022-11-20 21:17:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 88 states have (on average 1.9431818181818181) internal successors, (171), 127 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) [2022-11-20 21:17:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2022-11-20 21:17:36,118 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 16 [2022-11-20 21:17:36,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:36,118 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2022-11-20 21:17:36,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2022-11-20 21:17:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 21:17:36,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:36,119 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:36,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 21:17:36,120 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:36,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash 78602504, now seen corresponding path program 1 times [2022-11-20 21:17:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:36,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103774770] [2022-11-20 21:17:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:36,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:36,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103774770] [2022-11-20 21:17:36,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103774770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:36,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:36,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:17:36,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339337278] [2022-11-20 21:17:36,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:36,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:17:36,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:36,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:17:36,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:17:36,356 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:36,533 INFO L93 Difference]: Finished difference Result 151 states and 195 transitions. [2022-11-20 21:17:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:17:36,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 21:17:36,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:36,535 INFO L225 Difference]: With dead ends: 151 [2022-11-20 21:17:36,535 INFO L226 Difference]: Without dead ends: 151 [2022-11-20 21:17:36,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:17:36,536 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 19 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:36,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 209 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-20 21:17:36,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 134. [2022-11-20 21:17:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 94 states have (on average 1.8936170212765957) internal successors, (178), 133 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 178 transitions. [2022-11-20 21:17:36,540 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 178 transitions. Word has length 16 [2022-11-20 21:17:36,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:36,540 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 178 transitions. [2022-11-20 21:17:36,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2022-11-20 21:17:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 21:17:36,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:36,541 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:36,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 21:17:36,541 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:36,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:36,542 INFO L85 PathProgramCache]: Analyzing trace with hash -934620265, now seen corresponding path program 1 times [2022-11-20 21:17:36,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:36,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038494247] [2022-11-20 21:17:36,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:36,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:36,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:36,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038494247] [2022-11-20 21:17:36,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038494247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:36,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:36,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 21:17:36,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374916410] [2022-11-20 21:17:36,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:36,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 21:17:36,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:36,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 21:17:36,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-20 21:17:36,841 INFO L87 Difference]: Start difference. First operand 134 states and 178 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:37,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:37,064 INFO L93 Difference]: Finished difference Result 161 states and 205 transitions. [2022-11-20 21:17:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 21:17:37,065 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 21:17:37,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:37,066 INFO L225 Difference]: With dead ends: 161 [2022-11-20 21:17:37,066 INFO L226 Difference]: Without dead ends: 161 [2022-11-20 21:17:37,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-20 21:17:37,067 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 50 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:37,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 212 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:37,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-20 21:17:37,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 139. [2022-11-20 21:17:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 99 states have (on average 1.8484848484848484) internal successors, (183), 138 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2022-11-20 21:17:37,071 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 19 [2022-11-20 21:17:37,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:37,071 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2022-11-20 21:17:37,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2022-11-20 21:17:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 21:17:37,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:37,072 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:37,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 21:17:37,072 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:37,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash -934621519, now seen corresponding path program 1 times [2022-11-20 21:17:37,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:37,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143533971] [2022-11-20 21:17:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:37,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:37,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143533971] [2022-11-20 21:17:37,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143533971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:37,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:37,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 21:17:37,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9837223] [2022-11-20 21:17:37,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:37,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 21:17:37,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:37,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 21:17:37,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:17:37,614 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:38,059 INFO L93 Difference]: Finished difference Result 178 states and 229 transitions. [2022-11-20 21:17:38,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 21:17:38,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 21:17:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:38,061 INFO L225 Difference]: With dead ends: 178 [2022-11-20 21:17:38,062 INFO L226 Difference]: Without dead ends: 178 [2022-11-20 21:17:38,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-20 21:17:38,062 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 93 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:38,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 281 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:17:38,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-20 21:17:38,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 140. [2022-11-20 21:17:38,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.85) internal successors, (185), 139 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 185 transitions. [2022-11-20 21:17:38,067 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 185 transitions. Word has length 19 [2022-11-20 21:17:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:38,067 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 185 transitions. [2022-11-20 21:17:38,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 185 transitions. [2022-11-20 21:17:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 21:17:38,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:38,068 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:38,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 21:17:38,068 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:38,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:38,068 INFO L85 PathProgramCache]: Analyzing trace with hash -934621518, now seen corresponding path program 1 times [2022-11-20 21:17:38,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:38,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654876625] [2022-11-20 21:17:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:38,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:38,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654876625] [2022-11-20 21:17:38,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654876625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:38,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:38,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 21:17:38,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604966657] [2022-11-20 21:17:38,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:38,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 21:17:38,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:38,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 21:17:38,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 21:17:38,598 INFO L87 Difference]: Start difference. First operand 140 states and 185 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:38,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:38,885 INFO L93 Difference]: Finished difference Result 159 states and 203 transitions. [2022-11-20 21:17:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 21:17:38,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 21:17:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:38,886 INFO L225 Difference]: With dead ends: 159 [2022-11-20 21:17:38,886 INFO L226 Difference]: Without dead ends: 159 [2022-11-20 21:17:38,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-20 21:17:38,887 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 57 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:38,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 134 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:38,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-20 21:17:38,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2022-11-20 21:17:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.84) internal successors, (184), 139 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:38,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-11-20 21:17:38,891 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 19 [2022-11-20 21:17:38,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:38,891 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-11-20 21:17:38,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-11-20 21:17:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 21:17:38,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:38,892 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:38,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 21:17:38,893 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:38,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:38,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1091504825, now seen corresponding path program 1 times [2022-11-20 21:17:38,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:38,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379751313] [2022-11-20 21:17:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:38,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:39,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:39,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379751313] [2022-11-20 21:17:39,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379751313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:39,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:39,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 21:17:39,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694534045] [2022-11-20 21:17:39,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:39,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 21:17:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:39,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 21:17:39,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 21:17:39,139 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:39,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:39,427 INFO L93 Difference]: Finished difference Result 182 states and 228 transitions. [2022-11-20 21:17:39,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 21:17:39,427 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 21:17:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:39,428 INFO L225 Difference]: With dead ends: 182 [2022-11-20 21:17:39,428 INFO L226 Difference]: Without dead ends: 182 [2022-11-20 21:17:39,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-20 21:17:39,429 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 149 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:39,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 251 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-20 21:17:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 141. [2022-11-20 21:17:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 101 states have (on average 1.8316831683168318) internal successors, (185), 140 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2022-11-20 21:17:39,433 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 20 [2022-11-20 21:17:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:39,434 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2022-11-20 21:17:39,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2022-11-20 21:17:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 21:17:39,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:39,434 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:39,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 21:17:39,435 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:39,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:39,435 INFO L85 PathProgramCache]: Analyzing trace with hash -523088569, now seen corresponding path program 1 times [2022-11-20 21:17:39,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:39,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673803552] [2022-11-20 21:17:39,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:39,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:39,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:39,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673803552] [2022-11-20 21:17:39,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673803552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:39,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:39,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 21:17:39,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387610482] [2022-11-20 21:17:39,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:39,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 21:17:39,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:39,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 21:17:39,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-20 21:17:39,718 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:40,030 INFO L93 Difference]: Finished difference Result 164 states and 208 transitions. [2022-11-20 21:17:40,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 21:17:40,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 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 21 [2022-11-20 21:17:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:40,031 INFO L225 Difference]: With dead ends: 164 [2022-11-20 21:17:40,031 INFO L226 Difference]: Without dead ends: 164 [2022-11-20 21:17:40,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-20 21:17:40,032 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 53 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:40,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 283 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:17:40,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-20 21:17:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 142. [2022-11-20 21:17:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 102 states have (on average 1.8235294117647058) internal successors, (186), 141 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 186 transitions. [2022-11-20 21:17:40,036 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 186 transitions. Word has length 21 [2022-11-20 21:17:40,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:40,037 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 186 transitions. [2022-11-20 21:17:40,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 186 transitions. [2022-11-20 21:17:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 21:17:40,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:40,037 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:40,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 21:17:40,038 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash 964123771, now seen corresponding path program 1 times [2022-11-20 21:17:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:40,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339486329] [2022-11-20 21:17:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:17:40,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:40,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339486329] [2022-11-20 21:17:40,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339486329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:40,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:40,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:40,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018841598] [2022-11-20 21:17:40,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:40,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:17:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:17:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:17:40,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:17:40,106 INFO L87 Difference]: Start difference. First operand 142 states and 186 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:40,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:40,273 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2022-11-20 21:17:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:17:40,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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 22 [2022-11-20 21:17:40,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:40,275 INFO L225 Difference]: With dead ends: 203 [2022-11-20 21:17:40,275 INFO L226 Difference]: Without dead ends: 203 [2022-11-20 21:17:40,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:17:40,276 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 66 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:40,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 163 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:17:40,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-11-20 21:17:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 146. [2022-11-20 21:17:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 108 states have (on average 1.8240740740740742) internal successors, (197), 145 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 197 transitions. [2022-11-20 21:17:40,280 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 197 transitions. Word has length 22 [2022-11-20 21:17:40,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:40,280 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 197 transitions. [2022-11-20 21:17:40,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:17:40,281 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2022-11-20 21:17:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 21:17:40,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:40,281 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:17:40,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 21:17:40,281 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:17:40,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:40,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1189983836, now seen corresponding path program 1 times [2022-11-20 21:17:40,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:17:40,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675284123] [2022-11-20 21:17:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:40,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:17:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:17:40,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:17:40,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675284123] [2022-11-20 21:17:40,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675284123] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:17:40,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002495431] [2022-11-20 21:17:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:17:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:17:40,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:17:40,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:17:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:40,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 21:17:40,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:17:41,058 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:17:41,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 32 [2022-11-20 21:17:41,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:17:41,277 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:17:41,278 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 40 treesize of output 30 [2022-11-20 21:17:41,433 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:17:41,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 34 [2022-11-20 21:17:41,609 WARN L859 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~item2~0#1.base| Int) (|ULTIMATE.start_main_~data~0#1.base| Int) (v_DerPreprocessor_2 Int)) (let ((.cse0 (store (store (store |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~data~0#1.base| 0) |ULTIMATE.start_main_~item2~0#1.base| v_DerPreprocessor_2) |ULTIMATE.start_main_~data~0#1.base| 0))) (and (= v_DerPreprocessor_2 (select .cse0 |ULTIMATE.start_main_~item2~0#1.base|)) (= (select |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~data~0#1.base|) 0) (= |c_#valid| (store .cse0 |ULTIMATE.start_main_~item2~0#1.base| 0)) (= (select |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item2~0#1.base|) 0)))) is different from true [2022-11-20 21:17:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-20 21:17:41,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:17:41,733 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~data~0#1.base| 0) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) 0) |c_ULTIMATE.start_main_old_#valid#1|) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)))) is different from false [2022-11-20 21:17:41,790 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 50 treesize of output 44 [2022-11-20 21:17:43,869 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#valid| |c_ULTIMATE.start_main_~data~0#1.base| 0))) (let ((.cse3 (forall ((v_arrayElimCell_4 Int) (v_antiDerIndex_entry0_1 Int)) (= (select |c_ULTIMATE.start_main_old_#valid#1| v_antiDerIndex_entry0_1) (select (store .cse1 v_arrayElimCell_4 0) v_antiDerIndex_entry0_1)))) (.cse4 (= |c_ULTIMATE.start_main_~lItem~0#1.base| |c_ULTIMATE.start_main_~data~0#1.base|)) (.cse2 (store .cse1 |c_ULTIMATE.start_main_~item~0#1.base| 0))) (and (forall ((v_antiDerIndex_entry0_1 Int) (v_arrayElimCell_4 Int)) (let ((.cse0 (select |c_ULTIMATE.start_main_old_#valid#1| v_antiDerIndex_entry0_1))) (or (= .cse0 (select (store .cse1 v_arrayElimCell_4 0) v_antiDerIndex_entry0_1)) (= .cse0 (select .cse2 v_antiDerIndex_entry0_1))))) (or .cse3 .cse4) (or .cse3 (and (< |c_ULTIMATE.start_main_~lItem~0#1.offset| 1) (< 0 (+ |c_ULTIMATE.start_main_~lItem~0#1.offset| 1)))) (or (not (<= 0 |c_ULTIMATE.start_main_~lItem~0#1.offset|)) (not .cse4) (not (<= |c_ULTIMATE.start_main_~lItem~0#1.offset| 0)) (forall ((v_antiDerIndex_entry0_1 Int)) (= (select |c_ULTIMATE.start_main_old_#valid#1| v_antiDerIndex_entry0_1) (select .cse2 v_antiDerIndex_entry0_1))))))) is different from false [2022-11-20 21:17:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-20 21:17:52,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002495431] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:17:52,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1765453180] [2022-11-20 21:17:52,228 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-20 21:17:52,228 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:17:52,233 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:17:52,238 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:17:52,238 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:17:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:17:52,321 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 11 treesize of output 7 [2022-11-20 21:17:52,328 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 11 treesize of output 7 [2022-11-20 21:17:52,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,362 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 30 treesize of output 21 [2022-11-20 21:17:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,387 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 27 treesize of output 11 [2022-11-20 21:17:52,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:17:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:17:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-20 21:17:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,477 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 19 treesize of output 18 [2022-11-20 21:17:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:17:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,520 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 19 treesize of output 18 [2022-11-20 21:17:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,565 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 28 treesize of output 30 [2022-11-20 21:17:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,583 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 36 [2022-11-20 21:17:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:17:52,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:17:52,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,733 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:17:52,734 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:17:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:17:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:17:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:17:52,861 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:17:52,862 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:17:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:17:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-11-20 21:17:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:52,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:17:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,059 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 19 treesize of output 18 [2022-11-20 21:17:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,069 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 19 treesize of output 18 [2022-11-20 21:17:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:17:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-20 21:17:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:17:53,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:17:53,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:17:53,271 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:17:53,271 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:17:53,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:17:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:17:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:17:53,386 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:17:53,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:17:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:17:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:17:53,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:17:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:17:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,571 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 19 treesize of output 18 [2022-11-20 21:17:53,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,583 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 19 treesize of output 18 [2022-11-20 21:17:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-20 21:17:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,661 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 26 treesize of output 28 [2022-11-20 21:17:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:53,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:17:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:17:54,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:17:54,296 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:17:54,297 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 322 treesize of output 294 [2022-11-20 21:17:54,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:17:54,352 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-20 21:17:54,353 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 314 treesize of output 327 [2022-11-20 21:17:54,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:17:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:17:54,391 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-20 21:17:54,391 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 3 case distinctions, treesize of input 310 treesize of output 288 [2022-11-20 21:17:54,506 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:18:00,865 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5291#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= |ULTIMATE.start_main_~lItem~0#1.base| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-11-20 21:18:00,866 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:18:00,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:18:00,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2022-11-20 21:18:00,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363788762] [2022-11-20 21:18:00,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:18:00,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-20 21:18:00,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:00,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 21:18:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1237, Unknown=5, NotChecked=222, Total=1640 [2022-11-20 21:18:00,869 INFO L87 Difference]: Start difference. First operand 146 states and 197 transitions. Second operand has 26 states, 25 states have (on average 2.4) internal successors, (60), 25 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:01,426 INFO L93 Difference]: Finished difference Result 157 states and 208 transitions. [2022-11-20 21:18:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 21:18:01,427 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.4) internal successors, (60), 25 states have internal predecessors, (60), 0 states have call successors, (0), 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 24 [2022-11-20 21:18:01,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:01,428 INFO L225 Difference]: With dead ends: 157 [2022-11-20 21:18:01,428 INFO L226 Difference]: Without dead ends: 156 [2022-11-20 21:18:01,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 9 SemanticMatches, 42 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=207, Invalid=1440, Unknown=5, NotChecked=240, Total=1892 [2022-11-20 21:18:01,429 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 513 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:01,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 442 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 403 Invalid, 0 Unknown, 513 Unchecked, 0.4s Time] [2022-11-20 21:18:01,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-20 21:18:01,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2022-11-20 21:18:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 110 states have (on average 1.809090909090909) internal successors, (199), 147 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 199 transitions. [2022-11-20 21:18:01,433 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 199 transitions. Word has length 24 [2022-11-20 21:18:01,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:01,433 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 199 transitions. [2022-11-20 21:18:01,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.4) internal successors, (60), 25 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 199 transitions. [2022-11-20 21:18:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 21:18:01,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:01,434 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:01,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 21:18:01,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:01,639 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:01,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:01,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1189985090, now seen corresponding path program 1 times [2022-11-20 21:18:01,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:01,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701231262] [2022-11-20 21:18:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:02,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:02,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701231262] [2022-11-20 21:18:02,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701231262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:02,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029960380] [2022-11-20 21:18:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:02,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:02,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:02,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:02,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 21:18:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:02,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-20 21:18:02,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:02,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:18:02,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:02,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:02,588 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 19 treesize of output 18 [2022-11-20 21:18:02,597 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 21:18:02,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 21:18:02,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:18:02,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 21:18:02,658 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 14 treesize of output 16 [2022-11-20 21:18:02,696 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 19 treesize of output 18 [2022-11-20 21:18:02,702 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 18 treesize of output 20 [2022-11-20 21:18:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:03,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:03,050 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2022-11-20 21:18:03,054 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 57 treesize of output 42 [2022-11-20 21:18:03,068 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:03,069 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 15 treesize of output 15 [2022-11-20 21:18:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:03,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:18:04,118 INFO L321 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-11-20 21:18:04,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 51 [2022-11-20 21:18:04,212 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 34 treesize of output 30 [2022-11-20 21:18:04,291 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 4 |c_ULTIMATE.start_main_~lItem~0#1.offset|))) (and (or (not (<= 0 |c_ULTIMATE.start_main_~lItem~0#1.offset|)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_488 (Array Int Int))) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488) |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))) (not (<= |c_ULTIMATE.start_main_~lItem~0#1.offset| 0))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (forall ((v_arrayElimArr_1 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_1))) (or (= (select (select .cse0 (select v_arrayElimArr_1 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0) (not (= (select v_arrayElimArr_1 .cse1) |c_ULTIMATE.start_main_~item~0#1.base|)) (= (select (select .cse0 |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)))))))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (forall ((v_arrayElimArr_1 (Array Int Int))) (or (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_1) (select v_arrayElimArr_1 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0) (not (= (select v_arrayElimArr_1 .cse1) |c_ULTIMATE.start_main_~item~0#1.base|)))) (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (= |c_ULTIMATE.start_main_~lItem~0#1.offset| |ULTIMATE.start_main_~data~0#1.offset|))) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((v_arrayElimCell_138 Int) (v_ArrVal_488 (Array Int Int))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488))) (or (= (select (select .cse2 v_arrayElimCell_138) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select .cse2 |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)))))) (or (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_arrayElimCell_138 Int) (v_ArrVal_488 (Array Int Int))) (or (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488) v_arrayElimCell_138) |ULTIMATE.start_main_~item~0#1.offset|) 0) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))) (and (< |c_ULTIMATE.start_main_~lItem~0#1.offset| 1) (< 0 (+ |c_ULTIMATE.start_main_~lItem~0#1.offset| 1)))))) is different from false [2022-11-20 21:18:04,787 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:04,787 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2022-11-20 21:18:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:04,802 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:04,803 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 42 treesize of output 38 [2022-11-20 21:18:04,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:04,823 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-20 21:18:04,864 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:04,864 INFO L350 Elim1Store]: Elim1 eliminated variable 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 47 treesize of output 39 [2022-11-20 21:18:04,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:04,888 INFO L321 Elim1Store]: treesize reduction 16, result has 42.9 percent of original size [2022-11-20 21:18:04,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 36 [2022-11-20 21:18:04,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2022-11-20 21:18:04,921 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:04,922 INFO L350 Elim1Store]: Elim1 eliminated variable 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 23 treesize of output 29 [2022-11-20 21:18:04,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:04,932 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 21:18:04,933 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 16 treesize of output 11 [2022-11-20 21:18:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:05,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029960380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:18:05,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [10196] [2022-11-20 21:18:05,028 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-20 21:18:05,028 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:18:05,028 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:18:05,028 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:18:05,029 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:18:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:18:05,072 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 11 treesize of output 7 [2022-11-20 21:18:05,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,081 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 30 treesize of output 21 [2022-11-20 21:18:05,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:05,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:18:05,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:18:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,139 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 27 treesize of output 11 [2022-11-20 21:18:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,149 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 27 treesize of output 11 [2022-11-20 21:18:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,174 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 19 treesize of output 18 [2022-11-20 21:18:05,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,204 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 19 treesize of output 18 [2022-11-20 21:18:05,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,235 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 26 treesize of output 28 [2022-11-20 21:18:05,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:18:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:18:05,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:18:05,366 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:05,366 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:18:05,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:18:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:18:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:05,479 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:18:05,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:18:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:18:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:18:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:18:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,660 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 19 treesize of output 18 [2022-11-20 21:18:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,672 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 19 treesize of output 18 [2022-11-20 21:18:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,701 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 26 treesize of output 28 [2022-11-20 21:18:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:18:05,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:18:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:18:05,835 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:05,835 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:18:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:18:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:18:05,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:05,935 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:18:05,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:18:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:18:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:18:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:18:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:18:06,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,094 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 19 treesize of output 18 [2022-11-20 21:18:06,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,143 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 28 treesize of output 30 [2022-11-20 21:18:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,171 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 36 [2022-11-20 21:18:06,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:06,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:06,700 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:18:06,700 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 346 treesize of output 298 [2022-11-20 21:18:06,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,737 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-20 21:18:06,737 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 3 case distinctions, treesize of input 340 treesize of output 316 [2022-11-20 21:18:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:06,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:06,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:06,798 INFO L321 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2022-11-20 21:18:06,799 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 336 treesize of output 351 [2022-11-20 21:18:06,868 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:18:12,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [10196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:12,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:18:12,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13, 13, 13] total 46 [2022-11-20 21:18:12,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381470452] [2022-11-20 21:18:12,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:12,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 21:18:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:12,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 21:18:12,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1659, Unknown=7, NotChecked=86, Total=2070 [2022-11-20 21:18:12,902 INFO L87 Difference]: Start difference. First operand 148 states and 199 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:15,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:15,936 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-11-20 21:18:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 21:18:15,937 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-20 21:18:15,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:15,938 INFO L225 Difference]: With dead ends: 161 [2022-11-20 21:18:15,938 INFO L226 Difference]: Without dead ends: 161 [2022-11-20 21:18:15,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=368, Invalid=1885, Unknown=7, NotChecked=92, Total=2352 [2022-11-20 21:18:15,939 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 25 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:15,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 149 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 21:18:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-20 21:18:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-11-20 21:18:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 115 states have (on average 1.7826086956521738) internal successors, (205), 152 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2022-11-20 21:18:15,944 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 205 transitions. Word has length 24 [2022-11-20 21:18:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:15,944 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 205 transitions. [2022-11-20 21:18:15,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2022-11-20 21:18:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 21:18:15,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:15,945 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:15,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 21:18:16,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:16,151 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:16,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1162096688, now seen corresponding path program 1 times [2022-11-20 21:18:16,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:16,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610159398] [2022-11-20 21:18:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:16,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:16,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:16,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610159398] [2022-11-20 21:18:16,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610159398] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:16,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262232348] [2022-11-20 21:18:16,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:16,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:16,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:16,771 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:16,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 21:18:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:16,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 21:18:16,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:16,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:18:17,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:17,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:17,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2022-11-20 21:18:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:17,094 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 27 treesize of output 22 [2022-11-20 21:18:17,254 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 15 treesize of output 7 [2022-11-20 21:18:17,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-20 21:18:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:17,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:18:17,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262232348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:17,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:18:17,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 18 [2022-11-20 21:18:17,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710247989] [2022-11-20 21:18:17,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:17,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 21:18:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:17,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 21:18:17,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-11-20 21:18:17,284 INFO L87 Difference]: Start difference. First operand 153 states and 205 transitions. Second operand has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:17,783 INFO L93 Difference]: Finished difference Result 185 states and 214 transitions. [2022-11-20 21:18:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 21:18:17,783 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-20 21:18:17,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:17,784 INFO L225 Difference]: With dead ends: 185 [2022-11-20 21:18:17,785 INFO L226 Difference]: Without dead ends: 185 [2022-11-20 21:18:17,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-11-20 21:18:17,788 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 210 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:17,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 234 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 21:18:17,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-11-20 21:18:17,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2022-11-20 21:18:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 115 states have (on average 1.7565217391304349) internal successors, (202), 152 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 202 transitions. [2022-11-20 21:18:17,792 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 202 transitions. Word has length 25 [2022-11-20 21:18:17,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:17,793 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 202 transitions. [2022-11-20 21:18:17,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 202 transitions. [2022-11-20 21:18:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 21:18:17,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:17,794 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:17,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 21:18:17,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-20 21:18:18,000 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:18,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:18,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1162096687, now seen corresponding path program 1 times [2022-11-20 21:18:18,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:18,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234277673] [2022-11-20 21:18:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:18,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:18,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:18,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234277673] [2022-11-20 21:18:18,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234277673] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:18,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269354420] [2022-11-20 21:18:18,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:18,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:18,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:18,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:18,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 21:18:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:18,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 21:18:18,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:18,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:18:18,719 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:18:18,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:18:18,741 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:18:18,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:18:18,788 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 11 treesize of output 7 [2022-11-20 21:18:18,830 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:18:18,831 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 28 treesize of output 29 [2022-11-20 21:18:18,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-20 21:18:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:18,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:18:18,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269354420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:18,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:18:18,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2022-11-20 21:18:18,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835340410] [2022-11-20 21:18:18,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:18,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 21:18:18,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:18,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 21:18:18,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-11-20 21:18:18,930 INFO L87 Difference]: Start difference. First operand 153 states and 202 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:19,179 INFO L93 Difference]: Finished difference Result 172 states and 201 transitions. [2022-11-20 21:18:19,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 21:18:19,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-20 21:18:19,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:19,182 INFO L225 Difference]: With dead ends: 172 [2022-11-20 21:18:19,182 INFO L226 Difference]: Without dead ends: 172 [2022-11-20 21:18:19,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-11-20 21:18:19,183 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 99 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 89 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:19,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 167 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 239 Invalid, 0 Unknown, 89 Unchecked, 0.2s Time] [2022-11-20 21:18:19,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-20 21:18:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2022-11-20 21:18:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 115 states have (on average 1.7304347826086957) internal successors, (199), 152 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 199 transitions. [2022-11-20 21:18:19,187 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 199 transitions. Word has length 25 [2022-11-20 21:18:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:19,187 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 199 transitions. [2022-11-20 21:18:19,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2022-11-20 21:18:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 21:18:19,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:19,189 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:19,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:18:19,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:19,395 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash 761385839, now seen corresponding path program 1 times [2022-11-20 21:18:19,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:19,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584513586] [2022-11-20 21:18:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:19,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:19,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584513586] [2022-11-20 21:18:19,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584513586] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:19,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936907851] [2022-11-20 21:18:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:19,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:19,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:19,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:19,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 21:18:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:19,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 21:18:19,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:19,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:19,896 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 21:18:19,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-11-20 21:18:20,049 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-11-20 21:18:20,049 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 29 treesize of output 30 [2022-11-20 21:18:20,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:18:20,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:18:20,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936907851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:18:20,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:18:20,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2022-11-20 21:18:20,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620229841] [2022-11-20 21:18:20,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:18:20,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 21:18:20,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:20,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 21:18:20,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-20 21:18:20,085 INFO L87 Difference]: Start difference. First operand 153 states and 199 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:20,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:20,504 INFO L93 Difference]: Finished difference Result 169 states and 215 transitions. [2022-11-20 21:18:20,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 21:18:20,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 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 28 [2022-11-20 21:18:20,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:20,506 INFO L225 Difference]: With dead ends: 169 [2022-11-20 21:18:20,506 INFO L226 Difference]: Without dead ends: 169 [2022-11-20 21:18:20,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2022-11-20 21:18:20,507 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 45 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:20,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 398 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 21:18:20,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-20 21:18:20,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 155. [2022-11-20 21:18:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.7179487179487178) internal successors, (201), 154 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2022-11-20 21:18:20,511 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 28 [2022-11-20 21:18:20,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:20,511 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-11-20 21:18:20,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2022-11-20 21:18:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 21:18:20,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:20,512 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:20,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 21:18:20,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-20 21:18:20,718 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:20,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:20,718 INFO L85 PathProgramCache]: Analyzing trace with hash 761384585, now seen corresponding path program 1 times [2022-11-20 21:18:20,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:20,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732959244] [2022-11-20 21:18:20,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:20,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:20,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:20,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732959244] [2022-11-20 21:18:20,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732959244] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:20,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196774058] [2022-11-20 21:18:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:20,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:20,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:20,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 21:18:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:21,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 21:18:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:21,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:18:21,180 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:18:21,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:18:21,191 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 21:18:21,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 21:18:21,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:21,223 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:18:21,224 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 19 treesize of output 22 [2022-11-20 21:18:21,234 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 16 treesize of output 8 [2022-11-20 21:18:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:21,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:18:21,272 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:21,273 INFO L350 Elim1Store]: Elim1 eliminated variable 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 19 treesize of output 20 [2022-11-20 21:18:21,275 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 33 treesize of output 25 [2022-11-20 21:18:21,280 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 6 treesize of output 4 [2022-11-20 21:18:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:21,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196774058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:18:21,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [60801742] [2022-11-20 21:18:21,339 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-20 21:18:21,339 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:18:21,339 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:18:21,339 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:18:21,340 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:18:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:18:21,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,392 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 30 treesize of output 21 [2022-11-20 21:18:21,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,416 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 27 treesize of output 11 [2022-11-20 21:18:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,425 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 27 treesize of output 11 [2022-11-20 21:18:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:18:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:18:21,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,490 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 19 treesize of output 18 [2022-11-20 21:18:21,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,501 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 19 treesize of output 18 [2022-11-20 21:18:21,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,530 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 28 treesize of output 30 [2022-11-20 21:18:21,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-11-20 21:18:21,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,668 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:21,668 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:18:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:18:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:18:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:21,808 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:18:21,808 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:18:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:18:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:18:21,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-11-20 21:18:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,949 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 19 treesize of output 18 [2022-11-20 21:18:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,960 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 19 treesize of output 18 [2022-11-20 21:18:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:21,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,004 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 28 treesize of output 30 [2022-11-20 21:18:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,032 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 36 [2022-11-20 21:18:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:22,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,140 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:22,141 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:18:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:18:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:18:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,243 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:18:22,244 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:18:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:18:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:18:22,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-11-20 21:18:22,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,532 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 21:18:22,532 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 6 case distinctions, treesize of input 476 treesize of output 437 [2022-11-20 21:18:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,600 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:18:22,600 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 8 case distinctions, treesize of input 476 treesize of output 413 [2022-11-20 21:18:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,675 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 21:18:22,675 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 8 case distinctions, treesize of input 476 treesize of output 476 [2022-11-20 21:18:22,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,827 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:18:22,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 483 treesize of output 416 [2022-11-20 21:18:22,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:22,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,870 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 21:18:22,871 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 6 case distinctions, treesize of input 476 treesize of output 437 [2022-11-20 21:18:22,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:22,930 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-11-20 21:18:22,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 483 treesize of output 479 [2022-11-20 21:18:23,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,093 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-20 21:18:23,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 638 treesize of output 505 [2022-11-20 21:18:23,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,204 INFO L321 Elim1Store]: treesize reduction 280, result has 14.6 percent of original size [2022-11-20 21:18:23,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 898 treesize of output 784 [2022-11-20 21:18:23,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,270 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-20 21:18:23,271 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 7 case distinctions, treesize of input 984 treesize of output 837 [2022-11-20 21:18:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,547 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-20 21:18:23,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 973 treesize of output 956 [2022-11-20 21:18:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,790 INFO L321 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2022-11-20 21:18:23,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1151 treesize of output 647 [2022-11-20 21:18:23,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:23,939 INFO L321 Elim1Store]: treesize reduction 356, result has 12.3 percent of original size [2022-11-20 21:18:23,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1165 treesize of output 899 [2022-11-20 21:18:23,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:23,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,010 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 21:18:24,011 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 6 case distinctions, treesize of input 1106 treesize of output 983 [2022-11-20 21:18:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:24,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:24,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,248 INFO L321 Elim1Store]: treesize reduction 226, result has 11.7 percent of original size [2022-11-20 21:18:24,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 1166 treesize of output 650 [2022-11-20 21:18:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:24,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,444 INFO L321 Elim1Store]: treesize reduction 426, result has 8.4 percent of original size [2022-11-20 21:18:24,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 1180 treesize of output 902 [2022-11-20 21:18:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:24,678 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-20 21:18:24,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1131 treesize of output 1115 [2022-11-20 21:18:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:24,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:24,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:24,759 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-20 21:18:24,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1104 treesize of output 992 [2022-11-20 21:18:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:25,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,265 INFO L321 Elim1Store]: treesize reduction 394, result has 11.9 percent of original size [2022-11-20 21:18:25,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1169 treesize of output 790 [2022-11-20 21:18:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:25,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,468 INFO L321 Elim1Store]: treesize reduction 438, result has 11.5 percent of original size [2022-11-20 21:18:25,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1177 treesize of output 1050 [2022-11-20 21:18:25,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:25,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:25,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,630 INFO L321 Elim1Store]: treesize reduction 322, result has 12.3 percent of original size [2022-11-20 21:18:25,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 1189 treesize of output 1099 [2022-11-20 21:18:25,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:25,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:26,065 INFO L321 Elim1Store]: treesize reduction 452, result has 12.6 percent of original size [2022-11-20 21:18:26,066 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 12 new quantified variables, introduced 33 case distinctions, treesize of input 1161 treesize of output 786 [2022-11-20 21:18:26,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:26,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:26,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:26,428 INFO L321 Elim1Store]: treesize reduction 440, result has 10.0 percent of original size [2022-11-20 21:18:26,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 1040 treesize of output 921 [2022-11-20 21:18:26,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:26,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:26,588 INFO L321 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2022-11-20 21:18:26,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 905 treesize of output 835 [2022-11-20 21:18:27,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:27,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,237 INFO L321 Elim1Store]: treesize reduction 248, result has 8.8 percent of original size [2022-11-20 21:18:27,238 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 13 new quantified variables, introduced 30 case distinctions, treesize of input 2307 treesize of output 1180 [2022-11-20 21:18:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:27,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:27,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:28,266 INFO L321 Elim1Store]: treesize reduction 542, result has 11.3 percent of original size [2022-11-20 21:18:28,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 35 case distinctions, treesize of input 2735 treesize of output 2145 [2022-11-20 21:18:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:28,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:28,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:28,513 INFO L321 Elim1Store]: treesize reduction 546, result has 14.4 percent of original size [2022-11-20 21:18:28,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 2919 treesize of output 2545 [2022-11-20 21:18:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:29,306 INFO L321 Elim1Store]: treesize reduction 808, result has 8.9 percent of original size [2022-11-20 21:18:29,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 2908 treesize of output 2787 [2022-11-20 21:18:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:29,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:29,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:29,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:29,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:29,884 INFO L321 Elim1Store]: treesize reduction 392, result has 10.7 percent of original size [2022-11-20 21:18:29,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 41 case distinctions, treesize of input 3331 treesize of output 1455 [2022-11-20 21:18:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:29,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:29,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:30,682 INFO L321 Elim1Store]: treesize reduction 626, result has 9.3 percent of original size [2022-11-20 21:18:30,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 42 case distinctions, treesize of input 3345 treesize of output 2465 [2022-11-20 21:18:30,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:30,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:30,983 INFO L321 Elim1Store]: treesize reduction 392, result has 11.1 percent of original size [2022-11-20 21:18:30,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 3286 treesize of output 2936 [2022-11-20 21:18:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:31,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:31,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,807 INFO L321 Elim1Store]: treesize reduction 474, result has 8.5 percent of original size [2022-11-20 21:18:31,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 49 case distinctions, treesize of input 3346 treesize of output 1458 [2022-11-20 21:18:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:31,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:31,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:32,948 INFO L321 Elim1Store]: treesize reduction 732, result has 6.8 percent of original size [2022-11-20 21:18:32,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 50 case distinctions, treesize of input 3360 treesize of output 2468 [2022-11-20 21:18:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:33,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:33,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:33,327 INFO L321 Elim1Store]: treesize reduction 472, result has 16.3 percent of original size [2022-11-20 21:18:33,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 3284 treesize of output 2945 [2022-11-20 21:18:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:34,159 INFO L321 Elim1Store]: treesize reduction 964, result has 8.8 percent of original size [2022-11-20 21:18:34,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 43 case distinctions, treesize of input 3311 treesize of output 3191 [2022-11-20 21:18:34,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:34,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:34,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:18:34,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:34,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:34,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:18:34,655 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-11-20 21:18:34,661 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 27 treesize of output 1 [2022-11-20 21:18:34,668 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 27 treesize of output 22 [2022-11-20 21:18:34,711 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:18:34,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:18:34,729 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:18:34,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 28 [2022-11-20 21:18:34,744 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 15 treesize of output 1 [2022-11-20 21:18:34,753 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 49 treesize of output 36 [2022-11-20 21:18:34,765 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:34,765 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:18:34,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:18:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:34,796 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 64 treesize of output 39 [2022-11-20 21:18:34,856 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:18:34,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:18:34,873 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:18:34,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 41 [2022-11-20 21:18:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:34,892 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:34,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:18:34,920 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 64 treesize of output 50 [2022-11-20 21:18:34,936 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:34,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:18:34,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:18:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:34,983 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 73 treesize of output 62 [2022-11-20 21:18:35,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2022-11-20 21:18:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,021 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:35,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 60 [2022-11-20 21:18:35,094 INFO L321 Elim1Store]: treesize reduction 76, result has 30.9 percent of original size [2022-11-20 21:18:35,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 61 [2022-11-20 21:18:35,165 INFO L321 Elim1Store]: treesize reduction 96, result has 33.3 percent of original size [2022-11-20 21:18:35,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 case distinctions, treesize of input 42 treesize of output 73 [2022-11-20 21:18:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,210 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:18:35,210 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 4 case distinctions, treesize of input 193 treesize of output 124 [2022-11-20 21:18:35,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2022-11-20 21:18:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,245 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:35,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 70 [2022-11-20 21:18:35,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2022-11-20 21:18:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,332 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:35,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 73 [2022-11-20 21:18:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,384 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:18:35,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 208 treesize of output 127 [2022-11-20 21:18:35,474 INFO L321 Elim1Store]: treesize reduction 114, result has 33.3 percent of original size [2022-11-20 21:18:35,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 47 treesize of output 85 [2022-11-20 21:18:35,500 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:18:35,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 66 [2022-11-20 21:18:35,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:35,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:35,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:18:35,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:35,569 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 15 treesize of output 1 [2022-11-20 21:18:35,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,592 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 114 treesize of output 84 [2022-11-20 21:18:35,608 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:18:35,609 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 87 treesize of output 69 [2022-11-20 21:18:35,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-20 21:18:35,685 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:18:35,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:18:35,699 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:18:35,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 34 [2022-11-20 21:18:35,733 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 61 treesize of output 48 [2022-11-20 21:18:35,746 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:18:35,746 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 51 treesize of output 48 [2022-11-20 21:18:35,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:18:35,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:18:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,785 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 76 treesize of output 51 [2022-11-20 21:18:35,849 INFO L321 Elim1Store]: treesize reduction 42, result has 51.2 percent of original size [2022-11-20 21:18:35,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 71 [2022-11-20 21:18:35,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:35,866 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:18:35,866 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 45 [2022-11-20 21:18:35,951 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:18:35,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:18:35,994 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:35,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:18:36,004 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 84 treesize of output 62 [2022-11-20 21:18:36,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:18:36,046 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 91 treesize of output 72 [2022-11-20 21:18:36,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-11-20 21:18:36,075 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:36,075 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 1 case distinctions, treesize of input 48 treesize of output 56 [2022-11-20 21:18:36,151 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-11-20 21:18:36,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 case distinctions, treesize of input 40 treesize of output 69 [2022-11-20 21:18:36,171 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:18:36,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2022-11-20 21:18:36,213 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:36,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 66 [2022-11-20 21:18:36,244 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:18:36,244 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 4 case distinctions, treesize of input 191 treesize of output 134 [2022-11-20 21:18:36,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-11-20 21:18:36,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-20 21:18:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:36,350 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:18:36,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 206 treesize of output 137 [2022-11-20 21:18:36,413 INFO L321 Elim1Store]: treesize reduction 84, result has 30.6 percent of original size [2022-11-20 21:18:36,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 79 [2022-11-20 21:18:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:36,442 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:36,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-11-20 21:18:36,531 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-11-20 21:18:36,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 45 treesize of output 81 [2022-11-20 21:18:36,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:36,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:18:36,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:36,618 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 21 treesize of output 20 [2022-11-20 21:18:36,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-20 21:18:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:36,629 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 21 treesize of output 20 [2022-11-20 21:18:36,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 21:18:36,710 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:18:36,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 21:18:36,732 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:18:36,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:18:36,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:18:36,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:36,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:36,790 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:18:37,677 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7589#(and (= |ULTIMATE.start_main_~data~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~item2~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~data~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 0) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (not (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|) |ULTIMATE.start_main_~data~0#1.offset|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~item2~0#1.base|) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 21:18:37,678 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:18:37,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:18:37,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2022-11-20 21:18:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38355481] [2022-11-20 21:18:37,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:18:37,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 21:18:37,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:37,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 21:18:37,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=744, Unknown=4, NotChecked=0, Total=870 [2022-11-20 21:18:37,679 INFO L87 Difference]: Start difference. First operand 155 states and 201 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:38,099 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2022-11-20 21:18:38,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 21:18:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 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 28 [2022-11-20 21:18:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:38,100 INFO L225 Difference]: With dead ends: 168 [2022-11-20 21:18:38,100 INFO L226 Difference]: Without dead ends: 168 [2022-11-20 21:18:38,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=183, Invalid=1145, Unknown=4, NotChecked=0, Total=1332 [2022-11-20 21:18:38,101 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 155 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:38,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 319 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 448 Invalid, 0 Unknown, 81 Unchecked, 0.3s Time] [2022-11-20 21:18:38,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-20 21:18:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 150. [2022-11-20 21:18:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 112 states have (on average 1.7410714285714286) internal successors, (195), 149 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 195 transitions. [2022-11-20 21:18:38,104 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 195 transitions. Word has length 28 [2022-11-20 21:18:38,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:38,105 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 195 transitions. [2022-11-20 21:18:38,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 195 transitions. [2022-11-20 21:18:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 21:18:38,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:38,105 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:38,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 21:18:38,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:38,313 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:38,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:38,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1632398409, now seen corresponding path program 2 times [2022-11-20 21:18:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:38,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850324501] [2022-11-20 21:18:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:38,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:38,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850324501] [2022-11-20 21:18:38,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850324501] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:38,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711086297] [2022-11-20 21:18:38,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 21:18:38,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:38,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:38,728 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:38,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 21:18:38,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 21:18:38,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 21:18:38,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-20 21:18:38,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:38,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:18:38,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:38,931 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 21:18:38,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 21:18:38,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:18:38,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 21:18:38,992 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 19 treesize of output 18 [2022-11-20 21:18:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:39,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:39,234 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2022-11-20 21:18:39,234 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 33 treesize of output 28 [2022-11-20 21:18:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:39,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:18:39,845 INFO L321 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-11-20 21:18:39,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 51 [2022-11-20 21:18:39,973 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 4 |c_ULTIMATE.start_main_~lItem~0#1.offset|))) (and (or (not (<= 0 |c_ULTIMATE.start_main_~lItem~0#1.offset|)) (not (<= |c_ULTIMATE.start_main_~lItem~0#1.offset| 0)) (forall ((v_arrayElimArr_6 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select v_arrayElimArr_6 .cse0) |c_ULTIMATE.start_main_~item~0#1.base|)) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_6) |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (not (= (select v_arrayElimArr_6 .cse0) |c_ULTIMATE.start_main_~item~0#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_6) (select v_arrayElimArr_6 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0))) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (= |c_ULTIMATE.start_main_~lItem~0#1.offset| |ULTIMATE.start_main_~data~0#1.offset|))))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (forall ((v_arrayElimArr_6 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_6))) (or (not (= (select v_arrayElimArr_6 .cse0) |c_ULTIMATE.start_main_~item~0#1.base|)) (= (select (select .cse1 |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select .cse1 (select v_arrayElimArr_6 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0)))))) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))))) is different from false [2022-11-20 21:18:40,257 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:40,258 INFO L350 Elim1Store]: Elim1 eliminated variable 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 23 treesize of output 29 [2022-11-20 21:18:40,268 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:40,268 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 30 treesize of output 30 [2022-11-20 21:18:40,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:40,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 21:18:40,310 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:18:40,310 INFO L350 Elim1Store]: Elim1 eliminated variable 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 23 treesize of output 29 [2022-11-20 21:18:40,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:40,320 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 21:18:40,320 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 16 treesize of output 11 [2022-11-20 21:18:40,328 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 6 treesize of output 4 [2022-11-20 21:18:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:40,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711086297] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:18:40,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [545956017] [2022-11-20 21:18:40,397 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-20 21:18:40,397 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:18:40,397 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:18:40,397 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:18:40,397 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:18:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:18:40,441 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 11 treesize of output 7 [2022-11-20 21:18:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,450 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 30 treesize of output 21 [2022-11-20 21:18:40,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-20 21:18:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:18:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,507 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 27 treesize of output 11 [2022-11-20 21:18:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:18:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,538 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 19 treesize of output 18 [2022-11-20 21:18:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,566 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 19 treesize of output 18 [2022-11-20 21:18:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,604 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 28 treesize of output 30 [2022-11-20 21:18:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,618 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 36 [2022-11-20 21:18:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,747 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:40,748 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:18:40,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:18:40,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:18:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:40,855 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:18:40,855 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:18:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:18:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:18:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:40,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-20 21:18:41,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,007 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 19 treesize of output 18 [2022-11-20 21:18:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,019 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 19 treesize of output 18 [2022-11-20 21:18:41,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,061 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 26 treesize of output 28 [2022-11-20 21:18:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-20 21:18:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,088 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 26 treesize of output 28 [2022-11-20 21:18:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:18:41,194 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:41,194 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:18:41,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:18:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:18:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:41,311 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:18:41,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:18:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:18:41,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:18:41,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:18:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,437 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 19 treesize of output 18 [2022-11-20 21:18:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,466 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 19 treesize of output 18 [2022-11-20 21:18:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,498 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 28 treesize of output 30 [2022-11-20 21:18:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,511 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 34 treesize of output 36 [2022-11-20 21:18:41,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:41,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:41,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:41,962 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:18:41,963 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 346 treesize of output 298 [2022-11-20 21:18:41,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:41,995 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-20 21:18:41,996 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 3 case distinctions, treesize of input 340 treesize of output 316 [2022-11-20 21:18:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:42,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:42,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:42,040 INFO L321 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2022-11-20 21:18:42,040 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 336 treesize of output 351 [2022-11-20 21:18:42,171 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:18:48,556 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8142#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~lItem~0#1.base| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-11-20 21:18:48,556 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:18:48,557 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:18:48,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 35 [2022-11-20 21:18:48,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449107448] [2022-11-20 21:18:48,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:18:48,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-20 21:18:48,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:18:48,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-20 21:18:48,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2032, Unknown=2, NotChecked=94, Total=2450 [2022-11-20 21:18:48,559 INFO L87 Difference]: Start difference. First operand 150 states and 195 transitions. Second operand has 35 states, 35 states have (on average 2.0) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:18:53,908 INFO L93 Difference]: Finished difference Result 162 states and 206 transitions. [2022-11-20 21:18:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 21:18:53,909 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.0) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-20 21:18:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:18:53,910 INFO L225 Difference]: With dead ends: 162 [2022-11-20 21:18:53,910 INFO L226 Difference]: Without dead ends: 147 [2022-11-20 21:18:53,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 44 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1580 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=470, Invalid=3072, Unknown=2, NotChecked=116, Total=3660 [2022-11-20 21:18:53,912 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 112 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 505 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:18:53,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 911 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 570 Invalid, 0 Unknown, 505 Unchecked, 0.5s Time] [2022-11-20 21:18:53,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-20 21:18:53,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 132. [2022-11-20 21:18:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 131 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 175 transitions. [2022-11-20 21:18:53,916 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 175 transitions. Word has length 29 [2022-11-20 21:18:53,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:18:53,916 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 175 transitions. [2022-11-20 21:18:53,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.0) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:18:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 175 transitions. [2022-11-20 21:18:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 21:18:53,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:18:53,917 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:18:53,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-20 21:18:54,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:54,125 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:18:54,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:18:54,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1933851355, now seen corresponding path program 1 times [2022-11-20 21:18:54,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:18:54,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630925787] [2022-11-20 21:18:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:54,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:18:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:54,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:18:54,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630925787] [2022-11-20 21:18:54,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630925787] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:18:54,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500430786] [2022-11-20 21:18:54,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:18:54,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:18:54,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:54,476 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:18:54,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 21:18:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:18:54,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 21:18:54,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:18:54,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:54,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:54,810 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 21 treesize of output 20 [2022-11-20 21:18:54,884 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 17 treesize of output 9 [2022-11-20 21:18:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:54,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:18:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:18:55,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500430786] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:18:55,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1040437925] [2022-11-20 21:18:55,069 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-20 21:18:55,069 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:18:55,069 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:18:55,070 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:18:55,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:18:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:18:55,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:18:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,132 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 30 treesize of output 21 [2022-11-20 21:18:55,142 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 11 treesize of output 7 [2022-11-20 21:18:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,157 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 27 treesize of output 11 [2022-11-20 21:18:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:18:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:18:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,197 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 27 treesize of output 11 [2022-11-20 21:18:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,214 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 19 treesize of output 18 [2022-11-20 21:18:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,225 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 19 treesize of output 18 [2022-11-20 21:18:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,283 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 28 treesize of output 30 [2022-11-20 21:18:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,302 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 36 [2022-11-20 21:18:55,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:55,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,437 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:55,437 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:18:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:18:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:18:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:55,549 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:18:55,550 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:18:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:18:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-20 21:18:55,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:18:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,716 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 19 treesize of output 18 [2022-11-20 21:18:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,727 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 19 treesize of output 18 [2022-11-20 21:18:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:18:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,777 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 28 treesize of output 30 [2022-11-20 21:18:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:18:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,807 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 36 [2022-11-20 21:18:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:18:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,929 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:18:55,929 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:18:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:18:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:55,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:18:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,042 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:18:56,042 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:18:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:18:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:18:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-11-20 21:18:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,302 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:18:56,303 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 8 case distinctions, treesize of input 483 treesize of output 420 [2022-11-20 21:18:56,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,360 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 21:18:56,360 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 6 case distinctions, treesize of input 483 treesize of output 444 [2022-11-20 21:18:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,442 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 21:18:56,442 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 8 case distinctions, treesize of input 483 treesize of output 483 [2022-11-20 21:18:56,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,615 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:18:56,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 423 [2022-11-20 21:18:56,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,705 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-11-20 21:18:56,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 486 [2022-11-20 21:18:56,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,756 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 21:18:56,756 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 6 case distinctions, treesize of input 483 treesize of output 444 [2022-11-20 21:18:56,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,899 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-20 21:18:56,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 512 [2022-11-20 21:18:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:56,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:56,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,040 INFO L321 Elim1Store]: treesize reduction 280, result has 14.6 percent of original size [2022-11-20 21:18:57,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 919 treesize of output 801 [2022-11-20 21:18:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,130 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-20 21:18:57,130 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 7 case distinctions, treesize of input 1019 treesize of output 872 [2022-11-20 21:18:57,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,451 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-20 21:18:57,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 1008 treesize of output 975 [2022-11-20 21:18:57,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,757 INFO L321 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2022-11-20 21:18:57,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1186 treesize of output 664 [2022-11-20 21:18:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:57,946 INFO L321 Elim1Store]: treesize reduction 356, result has 12.3 percent of original size [2022-11-20 21:18:57,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1200 treesize of output 916 [2022-11-20 21:18:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:57,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,007 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 21:18:58,008 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 6 case distinctions, treesize of input 1141 treesize of output 1018 [2022-11-20 21:18:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:58,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:58,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,293 INFO L321 Elim1Store]: treesize reduction 226, result has 11.7 percent of original size [2022-11-20 21:18:58,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 1201 treesize of output 667 [2022-11-20 21:18:58,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:58,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,598 INFO L321 Elim1Store]: treesize reduction 426, result has 8.4 percent of original size [2022-11-20 21:18:58,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 1215 treesize of output 919 [2022-11-20 21:18:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:58,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:58,714 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-20 21:18:58,714 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 7 case distinctions, treesize of input 1139 treesize of output 1027 [2022-11-20 21:18:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:58,965 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-20 21:18:58,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1166 treesize of output 1134 [2022-11-20 21:18:59,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:59,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,499 INFO L321 Elim1Store]: treesize reduction 394, result has 11.9 percent of original size [2022-11-20 21:18:59,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1169 treesize of output 790 [2022-11-20 21:18:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:59,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,763 INFO L321 Elim1Store]: treesize reduction 438, result has 11.5 percent of original size [2022-11-20 21:18:59,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1177 treesize of output 1050 [2022-11-20 21:18:59,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:18:59,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:18:59,954 INFO L321 Elim1Store]: treesize reduction 322, result has 12.3 percent of original size [2022-11-20 21:18:59,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 1189 treesize of output 1099 [2022-11-20 21:19:00,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,413 INFO L321 Elim1Store]: treesize reduction 452, result has 12.6 percent of original size [2022-11-20 21:19:00,414 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 12 new quantified variables, introduced 33 case distinctions, treesize of input 1161 treesize of output 786 [2022-11-20 21:19:00,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,879 INFO L321 Elim1Store]: treesize reduction 440, result has 10.0 percent of original size [2022-11-20 21:19:00,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 1040 treesize of output 921 [2022-11-20 21:19:00,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:00,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:00,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,079 INFO L321 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2022-11-20 21:19:01,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 905 treesize of output 835 [2022-11-20 21:19:01,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:01,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:01,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,791 INFO L321 Elim1Store]: treesize reduction 430, result has 7.5 percent of original size [2022-11-20 21:19:01,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 15 new quantified variables, introduced 47 case distinctions, treesize of input 1944 treesize of output 1153 [2022-11-20 21:19:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:01,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:01,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:01,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:02,820 INFO L321 Elim1Store]: treesize reduction 732, result has 10.1 percent of original size [2022-11-20 21:19:02,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 16 new quantified variables, introduced 60 case distinctions, treesize of input 2366 treesize of output 1951 [2022-11-20 21:19:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:02,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:02,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:03,291 INFO L321 Elim1Store]: treesize reduction 812, result has 12.2 percent of original size [2022-11-20 21:19:03,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 2551 treesize of output 2238 [2022-11-20 21:19:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:04,159 INFO L321 Elim1Store]: treesize reduction 808, result has 8.9 percent of original size [2022-11-20 21:19:04,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 2540 treesize of output 2451 [2022-11-20 21:19:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:04,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:04,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:04,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:04,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:05,006 INFO L321 Elim1Store]: treesize reduction 614, result has 7.5 percent of original size [2022-11-20 21:19:05,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 51 case distinctions, treesize of input 2919 treesize of output 1416 [2022-11-20 21:19:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:05,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:05,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:06,463 INFO L321 Elim1Store]: treesize reduction 830, result has 8.5 percent of original size [2022-11-20 21:19:06,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 52 case distinctions, treesize of input 2914 treesize of output 2230 [2022-11-20 21:19:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:06,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,004 INFO L321 Elim1Store]: treesize reduction 654, result has 7.4 percent of original size [2022-11-20 21:19:07,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 2855 treesize of output 2548 [2022-11-20 21:19:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:07,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:07,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,896 INFO L321 Elim1Store]: treesize reduction 474, result has 8.5 percent of original size [2022-11-20 21:19:07,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 49 case distinctions, treesize of input 2871 treesize of output 1381 [2022-11-20 21:19:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:07,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:07,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:09,514 INFO L321 Elim1Store]: treesize reduction 974, result has 5.4 percent of original size [2022-11-20 21:19:09,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 19 new quantified variables, introduced 61 case distinctions, treesize of input 2885 treesize of output 2191 [2022-11-20 21:19:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:09,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:09,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:10,082 INFO L321 Elim1Store]: treesize reduction 472, result has 16.3 percent of original size [2022-11-20 21:19:10,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 2790 treesize of output 2527 [2022-11-20 21:19:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:11,149 INFO L321 Elim1Store]: treesize reduction 964, result has 8.8 percent of original size [2022-11-20 21:19:11,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 43 case distinctions, treesize of input 2817 treesize of output 2729 [2022-11-20 21:19:11,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:11,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:11,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:11,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:11,569 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 11 treesize of output 7 [2022-11-20 21:19:11,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:11,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-11-20 21:19:11,605 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:19:11,605 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 87 treesize of output 69 [2022-11-20 21:19:11,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-20 21:19:11,667 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:19:11,667 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 3 case distinctions, treesize of input 29 treesize of output 58 [2022-11-20 21:19:11,730 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:19:11,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:19:11,747 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 15 treesize of output 1 [2022-11-20 21:19:11,755 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 116 treesize of output 87 [2022-11-20 21:19:11,769 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:19:11,770 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 106 treesize of output 99 [2022-11-20 21:19:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:11,799 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 131 treesize of output 90 [2022-11-20 21:19:11,874 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:19:11,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:19:11,893 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:19:11,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 75 [2022-11-20 21:19:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:11,911 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:19:11,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 102 [2022-11-20 21:19:11,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:19:11,962 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 127 treesize of output 97 [2022-11-20 21:19:11,977 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:19:11,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 105 [2022-11-20 21:19:11,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:19:12,018 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 107 treesize of output 84 [2022-11-20 21:19:12,034 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:12,035 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 1 case distinctions, treesize of input 48 treesize of output 56 [2022-11-20 21:19:12,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-11-20 21:19:12,123 INFO L321 Elim1Store]: treesize reduction 70, result has 31.4 percent of original size [2022-11-20 21:19:12,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 71 [2022-11-20 21:19:12,202 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-11-20 21:19:12,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 case distinctions, treesize of input 40 treesize of output 69 [2022-11-20 21:19:12,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-11-20 21:19:12,260 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:12,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 66 [2022-11-20 21:19:12,300 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:19:12,301 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 4 case distinctions, treesize of input 203 treesize of output 146 [2022-11-20 21:19:12,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-20 21:19:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:12,381 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:19:12,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 218 treesize of output 149 [2022-11-20 21:19:12,460 INFO L321 Elim1Store]: treesize reduction 84, result has 30.6 percent of original size [2022-11-20 21:19:12,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 84 [2022-11-20 21:19:12,568 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-11-20 21:19:12,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 45 treesize of output 81 [2022-11-20 21:19:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:12,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:12,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-11-20 21:19:12,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:12,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:12,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:12,649 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 11 treesize of output 7 [2022-11-20 21:19:12,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:12,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:12,673 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 84 treesize of output 54 [2022-11-20 21:19:12,681 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 27 treesize of output 22 [2022-11-20 21:19:12,687 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 27 treesize of output 1 [2022-11-20 21:19:12,763 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:19:12,763 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:19:12,825 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:19:12,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:19:12,866 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 76 treesize of output 55 [2022-11-20 21:19:12,882 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:12,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:19:12,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:12,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:19:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:12,922 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 91 treesize of output 58 [2022-11-20 21:19:12,975 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:19:12,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 70 [2022-11-20 21:19:13,070 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:19:13,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:19:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:13,090 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:13,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:19:13,121 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 36 treesize of output 18 [2022-11-20 21:19:13,139 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:13,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:19:13,150 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 100 treesize of output 74 [2022-11-20 21:19:13,183 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 107 treesize of output 84 [2022-11-20 21:19:13,215 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:13,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 56 [2022-11-20 21:19:13,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-11-20 21:19:13,304 INFO L321 Elim1Store]: treesize reduction 70, result has 31.4 percent of original size [2022-11-20 21:19:13,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 71 [2022-11-20 21:19:13,387 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-11-20 21:19:13,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 case distinctions, treesize of input 40 treesize of output 69 [2022-11-20 21:19:13,424 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:13,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 66 [2022-11-20 21:19:13,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-11-20 21:19:13,467 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:19:13,467 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 4 case distinctions, treesize of input 207 treesize of output 146 [2022-11-20 21:19:13,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-20 21:19:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:13,549 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:13,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-11-20 21:19:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:13,576 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:19:13,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 222 treesize of output 149 [2022-11-20 21:19:13,673 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-11-20 21:19:13,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 45 treesize of output 81 [2022-11-20 21:19:13,706 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:19:13,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 76 [2022-11-20 21:19:13,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:13,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:13,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:13,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-20 21:19:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:13,813 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 21 treesize of output 20 [2022-11-20 21:19:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:13,821 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 21 treesize of output 20 [2022-11-20 21:19:13,959 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-20 21:19:13,960 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 7 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:19:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:13,993 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-20 21:19:13,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:19:14,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:14,054 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:19:14,054 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 21:19:14,084 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:19:14,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:19:14,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:14,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:14,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:19:14,132 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:19:16,653 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8667#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (not (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~lItem~0#1.base|)) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (not (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|)) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 1) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 21:19:16,654 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:19:16,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:19:16,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-11-20 21:19:16,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405977484] [2022-11-20 21:19:16,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:19:16,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 21:19:16,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:19:16,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 21:19:16,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1083, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 21:19:16,655 INFO L87 Difference]: Start difference. First operand 132 states and 175 transitions. Second operand has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:17,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:19:17,245 INFO L93 Difference]: Finished difference Result 148 states and 174 transitions. [2022-11-20 21:19:17,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 21:19:17,245 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 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 30 [2022-11-20 21:19:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:19:17,246 INFO L225 Difference]: With dead ends: 148 [2022-11-20 21:19:17,246 INFO L226 Difference]: Without dead ends: 148 [2022-11-20 21:19:17,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 58 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=354, Invalid=1626, Unknown=0, NotChecked=0, Total=1980 [2022-11-20 21:19:17,247 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 491 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:19:17,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 339 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 402 Invalid, 0 Unknown, 3 Unchecked, 0.4s Time] [2022-11-20 21:19:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-20 21:19:17,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 132. [2022-11-20 21:19:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 94 states have (on average 1.851063829787234) internal successors, (174), 131 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 174 transitions. [2022-11-20 21:19:17,251 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 174 transitions. Word has length 30 [2022-11-20 21:19:17,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:19:17,251 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 174 transitions. [2022-11-20 21:19:17,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 174 transitions. [2022-11-20 21:19:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 21:19:17,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:19:17,252 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:19:17,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 21:19:17,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-20 21:19:17,459 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:19:17,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:19:17,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1325719134, now seen corresponding path program 1 times [2022-11-20 21:19:17,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:19:17,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672212250] [2022-11-20 21:19:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:19:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:19:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:19:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:19:18,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:19:18,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672212250] [2022-11-20 21:19:18,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672212250] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:19:18,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440849835] [2022-11-20 21:19:18,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:19:18,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:19:18,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:19:18,415 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:19:18,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 21:19:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:19:18,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-20 21:19:18,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:19:18,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:19:18,627 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:19:18,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:19:18,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:19:18,795 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-20 21:19:18,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:19:18,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-20 21:19:18,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-20 21:19:18,939 INFO L321 Elim1Store]: treesize reduction 66, result has 35.3 percent of original size [2022-11-20 21:19:18,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:19:19,147 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 40 treesize of output 36 [2022-11-20 21:19:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:19,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2022-11-20 21:19:19,306 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:19:19,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 55 [2022-11-20 21:19:19,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:19:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:19:19,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 32 [2022-11-20 21:19:19,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-20 21:19:20,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-20 21:19:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:19:20,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:19:20,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-20 21:19:20,861 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4)) (.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| |c_ULTIMATE.start_main_~lItem~0#1.base|)))) (let ((.cse0 (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int))) (= (let ((.cse5 (select (store .cse4 |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (select (store |c_#valid| (select .cse5 |c_ULTIMATE.start_main_~data~0#1.offset|) v_ArrVal_1375) (select .cse5 .cse3))) 1)))) (and (or (< |c_ULTIMATE.start_main_~data~0#1.offset| 1) .cse0) (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int))) (let ((.cse2 (select (store .cse4 |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~data~0#1.offset|))) (or (= (select (store |c_#valid| .cse1 v_ArrVal_1375) (select .cse2 .cse3)) 1) (= .cse1 |c_ULTIMATE.start_main_~data~0#1.base|))))) (or (< 0 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 1)) .cse0)))) is different from false [2022-11-20 21:19:20,886 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4))) (let ((.cse4 (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int)) (v_ArrVal_1371 (Array Int Int))) (= (let ((.cse5 (select (store (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1371))) (store .cse6 |c_ULTIMATE.start_main_~data~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| |c_ULTIMATE.start_main_~lItem~0#1.base|))) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (select (store |c_#valid| (select .cse5 |c_ULTIMATE.start_main_~data~0#1.offset|) v_ArrVal_1375) (select .cse5 .cse2))) 1)))) (and (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int)) (v_ArrVal_1371 (Array Int Int))) (let ((.cse1 (select (store (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1371))) (store .cse3 |c_ULTIMATE.start_main_~data~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| |c_ULTIMATE.start_main_~lItem~0#1.base|))) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~data~0#1.offset|))) (or (= .cse0 |c_ULTIMATE.start_main_~data~0#1.base|) (= (select (store |c_#valid| .cse0 v_ArrVal_1375) (select .cse1 .cse2)) 1))))) (or (< 0 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 1)) .cse4) (or (< |c_ULTIMATE.start_main_~data~0#1.offset| 1) .cse4)))) is different from false [2022-11-20 21:19:21,878 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:21,878 INFO L350 Elim1Store]: Elim1 eliminated variable 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 110 treesize of output 81 [2022-11-20 21:19:21,894 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:21,894 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 222 treesize of output 221 [2022-11-20 21:19:21,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 182 [2022-11-20 21:19:21,909 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 182 treesize of output 174 [2022-11-20 21:19:21,918 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 88 treesize of output 84 [2022-11-20 21:19:22,904 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:22,904 INFO L350 Elim1Store]: Elim1 eliminated variable 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 161 treesize of output 111 [2022-11-20 21:19:22,925 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:22,925 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 247 treesize of output 246 [2022-11-20 21:19:22,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 203 [2022-11-20 21:19:22,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 174 [2022-11-20 21:19:22,951 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 88 treesize of output 84 [2022-11-20 21:20:04,024 WARN L233 SmtUtils]: Spent 38.42s on a formula simplification. DAG size of input: 220 DAG size of output: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 21:20:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:20:05,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440849835] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:20:05,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [956824546] [2022-11-20 21:20:05,836 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-20 21:20:05,836 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:20:05,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:20:05,836 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:20:05,837 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:20:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:20:05,902 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 11 treesize of output 7 [2022-11-20 21:20:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,911 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 30 treesize of output 21 [2022-11-20 21:20:05,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:20:05,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,955 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 27 treesize of output 11 [2022-11-20 21:20:05,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,964 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 27 treesize of output 11 [2022-11-20 21:20:05,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:05,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:20:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:20:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,022 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 19 treesize of output 18 [2022-11-20 21:20:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,035 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 19 treesize of output 18 [2022-11-20 21:20:06,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,065 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 26 treesize of output 28 [2022-11-20 21:20:06,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:20:06,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:20:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:20:06,203 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:20:06,204 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:20:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:20:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:20:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:06,323 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:20:06,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:20:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:20:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:20:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:20:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,486 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 26 treesize of output 28 [2022-11-20 21:20:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:20:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:20:06,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:20:06,663 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:20:06,663 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:20:06,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:20:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:20:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:06,762 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:20:06,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:20:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:20:06,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:20:06,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:06,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:20:06,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:06,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:06,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,006 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:20:07,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 416 [2022-11-20 21:20:07,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,056 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:20:07,057 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 6 case distinctions, treesize of input 457 treesize of output 420 [2022-11-20 21:20:07,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,126 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-20 21:20:07,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 457 [2022-11-20 21:20:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,283 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:20:07,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 419 [2022-11-20 21:20:07,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,333 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:20:07,333 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 6 case distinctions, treesize of input 457 treesize of output 420 [2022-11-20 21:20:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,404 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-20 21:20:07,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 460 [2022-11-20 21:20:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,531 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:20:07,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-11-20 21:20:07,670 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:20:07,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-11-20 21:20:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:07,772 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:20:07,772 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 7 case distinctions, treesize of input 993 treesize of output 848 [2022-11-20 21:20:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:08,147 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:20:08,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-11-20 21:20:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:08,456 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:20:08,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-11-20 21:20:08,663 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:20:08,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-11-20 21:20:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:08,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:08,736 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:20:08,737 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-20 21:20:08,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:08,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:09,042 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:20:09,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-11-20 21:20:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:09,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:09,414 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:20:09,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-11-20 21:20:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:09,749 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:20:09,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-11-20 21:20:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:09,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:09,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:09,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:09,917 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:20:09,917 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 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-20 21:20:10,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:10,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:10,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:10,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:10,081 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:20:10,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-11-20 21:20:10,223 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:20:10,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-11-20 21:20:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:10,298 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:20:10,299 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 7 case distinctions, treesize of input 993 treesize of output 848 [2022-11-20 21:20:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,571 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:20:10,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-11-20 21:20:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:10,797 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:20:10,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-11-20 21:20:10,965 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:20:10,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-11-20 21:20:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:11,047 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:20:11,047 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-20 21:20:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,364 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:20:11,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-11-20 21:20:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:11,723 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:20:11,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-11-20 21:20:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:11,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:11,889 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:20:11,889 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 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-20 21:20:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:12,218 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:20:12,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-11-20 21:20:12,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:12,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:12,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:20:12,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:12,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:12,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:20:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:12,440 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 114 treesize of output 84 [2022-11-20 21:20:12,463 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:20:12,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-11-20 21:20:12,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-20 21:20:12,529 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:20:12,529 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 3 case distinctions, treesize of input 29 treesize of output 58 [2022-11-20 21:20:12,592 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:20:12,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:20:12,609 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 15 treesize of output 1 [2022-11-20 21:20:12,621 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 94 treesize of output 73 [2022-11-20 21:20:12,637 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:20:12,637 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 84 treesize of output 77 [2022-11-20 21:20:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:12,667 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 109 treesize of output 76 [2022-11-20 21:20:12,735 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:20:12,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 82 [2022-11-20 21:20:12,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:12,751 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:20:12,752 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 64 [2022-11-20 21:20:12,841 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:20:12,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:20:12,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:20:12,884 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 36 treesize of output 18 [2022-11-20 21:20:12,906 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:20:12,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 105 [2022-11-20 21:20:12,919 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 127 treesize of output 97 [2022-11-20 21:20:12,942 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 84 treesize of output 54 [2022-11-20 21:20:12,950 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 27 treesize of output 22 [2022-11-20 21:20:12,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:20:13,012 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:20:13,012 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:20:13,098 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:20:13,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:20:13,117 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 15 treesize of output 1 [2022-11-20 21:20:13,125 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 76 treesize of output 55 [2022-11-20 21:20:13,139 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:13,140 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:20:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 58 [2022-11-20 21:20:13,236 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:20:13,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 70 [2022-11-20 21:20:13,328 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:20:13,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:20:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,346 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:13,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:20:13,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:20:13,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:20:13,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:13,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:13,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:20:13,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:13,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:13,425 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-11-20 21:20:13,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:20:13,441 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 27 treesize of output 22 [2022-11-20 21:20:13,511 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:20:13,511 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:20:13,575 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:20:13,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:20:13,593 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 15 treesize of output 1 [2022-11-20 21:20:13,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 64 [2022-11-20 21:20:13,614 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:13,614 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:20:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,637 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 104 treesize of output 67 [2022-11-20 21:20:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,651 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:13,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:20:13,713 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:20:13,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:20:13,729 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:20:13,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2022-11-20 21:20:13,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:20:13,767 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 36 treesize of output 18 [2022-11-20 21:20:13,785 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:13,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:20:13,796 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 90 treesize of output 68 [2022-11-20 21:20:13,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:13,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:13,852 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:20:13,852 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 219 treesize of output 224 [2022-11-20 21:20:13,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:13,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:13,875 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-20 21:20:13,876 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 285 treesize of output 290 [2022-11-20 21:20:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:13,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:13,913 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-20 21:20:13,913 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 3 case distinctions, treesize of input 333 treesize of output 315 [2022-11-20 21:20:14,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:20:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:14,219 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-20 21:20:14,219 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 7 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:20:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:14,250 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-20 21:20:14,250 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 6 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:20:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:14,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-20 21:20:14,476 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-20 21:20:14,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 598 treesize of output 618 [2022-11-20 21:20:14,885 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:20:14,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 212 treesize of output 219 [2022-11-20 21:20:14,974 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:20:14,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:20:15,087 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:20:15,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:20:15,147 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:20:15,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:20:15,197 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:20:15,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:20:15,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:15,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:15,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:20:15,337 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:20:15,337 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 21:20:15,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:20:15,375 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:20:15,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:20:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:15,387 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 27 treesize of output 11 [2022-11-20 21:20:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:15,396 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 27 treesize of output 11 [2022-11-20 21:20:15,449 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:20:20,078 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9222#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 21:20:20,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:20:20,078 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:20:20,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 18] total 43 [2022-11-20 21:20:20,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274429748] [2022-11-20 21:20:20,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:20:20,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-20 21:20:20,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:20:20,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-20 21:20:20,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=3896, Unknown=8, NotChecked=258, Total=4556 [2022-11-20 21:20:20,081 INFO L87 Difference]: Start difference. First operand 132 states and 174 transitions. Second operand has 44 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:20:21,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:20:21,112 INFO L93 Difference]: Finished difference Result 132 states and 173 transitions. [2022-11-20 21:20:21,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 21:20:21,113 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 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 33 [2022-11-20 21:20:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:20:21,113 INFO L225 Difference]: With dead ends: 132 [2022-11-20 21:20:21,113 INFO L226 Difference]: Without dead ends: 132 [2022-11-20 21:20:21,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 2247 ImplicationChecksByTransitivity, 48.0s TimeCoverageRelationStatistics Valid=512, Invalid=4890, Unknown=8, NotChecked=290, Total=5700 [2022-11-20 21:20:21,115 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 25 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 613 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:20:21,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 748 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 315 Invalid, 0 Unknown, 613 Unchecked, 0.3s Time] [2022-11-20 21:20:21,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-20 21:20:21,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-11-20 21:20:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 92 states have (on average 1.8369565217391304) internal successors, (169), 129 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:20:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 169 transitions. [2022-11-20 21:20:21,118 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 169 transitions. Word has length 33 [2022-11-20 21:20:21,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:20:21,118 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 169 transitions. [2022-11-20 21:20:21,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:20:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2022-11-20 21:20:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 21:20:21,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:20:21,119 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:20:21,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 21:20:21,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-20 21:20:21,325 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:20:21,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:20:21,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1325719135, now seen corresponding path program 1 times [2022-11-20 21:20:21,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:20:21,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468661459] [2022-11-20 21:20:21,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:20:21,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:20:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:20:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:20:22,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:20:22,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468661459] [2022-11-20 21:20:22,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468661459] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:20:22,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327435603] [2022-11-20 21:20:22,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:20:22,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:20:22,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:20:22,537 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:20:22,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 21:20:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:20:22,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-20 21:20:22,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:20:22,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:20:22,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:20:22,797 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:20:22,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-20 21:20:22,825 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:20:22,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:20:22,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:22,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:20:23,012 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-20 21:20:23,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:20:23,030 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 16 treesize of output 18 [2022-11-20 21:20:23,091 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 37 [2022-11-20 21:20:23,108 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 14 treesize of output 16 [2022-11-20 21:20:23,139 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 14 treesize of output 16 [2022-11-20 21:20:23,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:23,151 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 16 treesize of output 18 [2022-11-20 21:20:23,157 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 37 [2022-11-20 21:20:23,178 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-20 21:20:23,178 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 [2022-11-20 21:20:23,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 21:20:23,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-20 21:20:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:23,363 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 28 [2022-11-20 21:20:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:23,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:20:23,469 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:20:23,469 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 67 treesize of output 58 [2022-11-20 21:20:23,482 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 27 treesize of output 22 [2022-11-20 21:20:23,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:23,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:23,759 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 31 [2022-11-20 21:20:23,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:20:23,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:23,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2022-11-20 21:20:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:20:24,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:20:26,736 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:26,736 INFO L350 Elim1Store]: Elim1 eliminated variable 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 309 treesize of output 279 [2022-11-20 21:20:26,785 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:26,785 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 1855 treesize of output 1854 [2022-11-20 21:20:26,804 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:26,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2031 treesize of output 1321 [2022-11-20 21:20:26,862 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:26,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15545 treesize of output 15415 [2022-11-20 21:20:26,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14315 treesize of output 13547 [2022-11-20 21:20:27,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17695 treesize of output 16895 [2022-11-20 21:20:27,230 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 17187 treesize of output 16995 [2022-11-20 21:20:27,517 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 4626 treesize of output 4442 [2022-11-20 21:20:27,675 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 8886 treesize of output 8518 [2022-11-20 21:20:27,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 21:23:06,840 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:23:06,841 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 8147 treesize of output 8147 [2022-11-20 21:25:41,039 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:41,039 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 143 [2022-11-20 21:25:41,056 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 896 treesize of output 890 [2022-11-20 21:25:41,070 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:41,071 INFO L350 Elim1Store]: Elim1 eliminated variable 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 1177 treesize of output 747 [2022-11-20 21:25:41,102 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:41,103 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 3863 treesize of output 3843 [2022-11-20 21:25:41,135 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 2966 treesize of output 2838 [2022-11-20 21:25:41,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4373 treesize of output 4253 [2022-11-20 21:25:41,240 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 4095 treesize of output 4083 [2022-11-20 21:25:41,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 21:25:41,571 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:41,571 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 4086 treesize of output 4082 [2022-11-20 21:27:32,122 WARN L233 SmtUtils]: Spent 32.68s on a formula simplification. DAG size of input: 278 DAG size of output: 60 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 21:27:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:27:35,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327435603] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:27:35,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1931343785] [2022-11-20 21:27:35,481 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-20 21:27:35,481 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:27:35,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:27:35,482 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:27:35,482 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:27:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:27:35,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:35,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:35,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,561 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 30 treesize of output 21 [2022-11-20 21:27:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:27:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:27:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,612 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 27 treesize of output 11 [2022-11-20 21:27:35,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,624 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 27 treesize of output 11 [2022-11-20 21:27:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:27:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,667 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 19 treesize of output 18 [2022-11-20 21:27:35,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,683 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 19 treesize of output 18 [2022-11-20 21:27:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,715 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 26 treesize of output 28 [2022-11-20 21:27:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:27:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:27:35,862 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:27:35,862 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:27:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:27:35,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:35,968 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:35,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:27:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:35,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:27:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:27:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:27:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,111 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 26 treesize of output 28 [2022-11-20 21:27:36,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:27:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:27:36,292 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:27:36,293 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:27:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:27:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,409 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:36,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:27:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:27:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:27:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:27:36,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,702 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:27:36,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 409 [2022-11-20 21:27:36,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,752 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:27:36,753 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 6 case distinctions, treesize of input 450 treesize of output 413 [2022-11-20 21:27:36,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,854 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-20 21:27:36,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 450 [2022-11-20 21:27:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:36,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:36,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,069 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-20 21:27:37,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 453 [2022-11-20 21:27:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,193 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:27:37,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 412 [2022-11-20 21:27:37,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,254 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:27:37,255 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 6 case distinctions, treesize of input 450 treesize of output 413 [2022-11-20 21:27:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,404 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:27:37,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-11-20 21:27:37,544 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:27:37,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-11-20 21:27:37,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:37,630 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:27:37,630 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 7 case distinctions, treesize of input 958 treesize of output 813 [2022-11-20 21:27:37,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:37,949 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:27:37,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-11-20 21:27:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:38,196 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:27:38,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-11-20 21:27:38,377 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:27:38,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-11-20 21:27:38,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:38,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:38,445 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:38,445 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 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-11-20 21:27:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:38,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:38,757 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:27:38,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-11-20 21:27:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:38,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,168 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:27:39,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-11-20 21:27:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,526 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:27:39,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-11-20 21:27:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,676 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:27:39,676 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 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-11-20 21:27:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,832 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:27:39,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-11-20 21:27:39,963 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:27:39,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-11-20 21:27:40,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:40,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:40,045 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:27:40,046 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 7 case distinctions, treesize of input 958 treesize of output 813 [2022-11-20 21:27:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,358 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:27:40,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-11-20 21:27:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,597 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:27:40,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-11-20 21:27:40,794 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:27:40,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-11-20 21:27:40,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:40,884 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:40,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-11-20 21:27:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:41,227 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:27:41,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-11-20 21:27:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:41,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:41,633 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:27:41,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-11-20 21:27:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:41,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:41,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:41,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:41,783 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:27:41,784 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 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-11-20 21:27:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:42,134 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:27:42,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-11-20 21:27:42,297 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:42,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:42,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:42,316 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 11 treesize of output 7 [2022-11-20 21:27:42,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:42,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:42,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-11-20 21:27:42,346 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 27 treesize of output 22 [2022-11-20 21:27:42,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:27:42,417 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:27:42,417 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:27:42,487 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:42,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:27:42,504 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 15 treesize of output 1 [2022-11-20 21:27:42,513 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 98 treesize of output 69 [2022-11-20 21:27:42,529 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:42,529 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:27:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:42,566 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:42,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:27:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:42,578 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 113 treesize of output 72 [2022-11-20 21:27:42,638 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:27:42,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 77 treesize of output 75 [2022-11-20 21:27:42,736 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:27:42,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:27:42,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:27:42,786 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 36 treesize of output 18 [2022-11-20 21:27:42,797 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 96 treesize of output 74 [2022-11-20 21:27:42,816 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:42,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:27:42,838 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 84 treesize of output 54 [2022-11-20 21:27:42,846 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 27 treesize of output 22 [2022-11-20 21:27:42,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:27:42,918 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:27:42,919 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:27:42,991 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:42,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:27:43,017 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 15 treesize of output 1 [2022-11-20 21:27:43,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-11-20 21:27:43,044 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:43,044 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:27:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,068 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 91 treesize of output 58 [2022-11-20 21:27:43,136 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:27:43,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:27:43,163 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:27:43,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2022-11-20 21:27:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,184 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:43,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:27:43,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:27:43,219 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 11 treesize of output 7 [2022-11-20 21:27:43,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:43,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:43,238 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:43,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:43,249 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 15 treesize of output 1 [2022-11-20 21:27:43,264 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 84 treesize of output 54 [2022-11-20 21:27:43,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:27:43,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-20 21:27:43,347 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:27:43,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:27:43,415 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:43,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:27:43,433 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 90 treesize of output 69 [2022-11-20 21:27:43,450 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:43,451 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:27:43,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:43,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:27:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,501 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:43,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:27:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,516 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 105 treesize of output 72 [2022-11-20 21:27:43,591 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:27:43,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:27:43,609 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:27:43,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2022-11-20 21:27:43,641 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 96 treesize of output 74 [2022-11-20 21:27:43,658 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:27:43,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:27:43,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:27:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:43,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:43,740 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:27:43,740 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 212 treesize of output 217 [2022-11-20 21:27:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:43,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:43,766 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:27:43,766 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 248 treesize of output 253 [2022-11-20 21:27:43,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:43,806 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-20 21:27:43,806 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 3 case distinctions, treesize of input 314 treesize of output 296 [2022-11-20 21:27:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:44,111 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-11-20 21:27:44,112 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 6 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:27:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:44,164 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-11-20 21:27:44,164 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 7 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:27:44,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:44,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:44,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-20 21:27:44,415 INFO L321 Elim1Store]: treesize reduction 166, result has 33.1 percent of original size [2022-11-20 21:27:44,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 636 treesize of output 668 [2022-11-20 21:27:45,260 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:45,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:27:45,307 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,427 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:45,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 181 [2022-11-20 21:27:45,517 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,561 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,625 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,678 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,777 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,821 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,880 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,930 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:45,986 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:45,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:46,052 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:46,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:46,220 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:46,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:27:46,277 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:46,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:46,459 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:27:46,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:27:46,532 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:27:46,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:27:46,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:46,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:46,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:46,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-20 21:27:46,746 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:27:46,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:27:46,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 16 [2022-11-20 21:27:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:46,766 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 27 treesize of output 11 [2022-11-20 21:27:46,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:27:46,836 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:27:52,724 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9763#(and (or (not (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))) (not (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 21:27:52,724 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:27:52,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:27:52,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 17] total 40 [2022-11-20 21:27:52,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809984695] [2022-11-20 21:27:52,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:27:52,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-20 21:27:52,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:27:52,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-20 21:27:52,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=3750, Unknown=5, NotChecked=0, Total=4160 [2022-11-20 21:27:52,727 INFO L87 Difference]: Start difference. First operand 130 states and 169 transitions. Second operand has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:27:55,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:27:55,225 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-20 21:27:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 21:27:55,226 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 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 33 [2022-11-20 21:27:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:27:55,228 INFO L225 Difference]: With dead ends: 134 [2022-11-20 21:27:55,228 INFO L226 Difference]: Without dead ends: 134 [2022-11-20 21:27:55,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2157 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=689, Invalid=5312, Unknown=5, NotChecked=0, Total=6006 [2022-11-20 21:27:55,231 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 64 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 567 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:27:55,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 506 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 630 Invalid, 0 Unknown, 567 Unchecked, 0.9s Time] [2022-11-20 21:27:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-20 21:27:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2022-11-20 21:27:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 94 states have (on average 1.8297872340425532) internal successors, (172), 131 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:27:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2022-11-20 21:27:55,235 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 172 transitions. Word has length 33 [2022-11-20 21:27:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:27:55,235 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 172 transitions. [2022-11-20 21:27:55,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:27:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 172 transitions. [2022-11-20 21:27:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 21:27:55,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:55,236 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:27:55,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 21:27:55,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-20 21:27:55,436 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:27:55,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:55,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1852266170, now seen corresponding path program 1 times [2022-11-20 21:27:55,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:27:55,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777711409] [2022-11-20 21:27:55,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:55,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:27:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:27:55,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:27:55,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777711409] [2022-11-20 21:27:55,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777711409] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:27:55,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277307434] [2022-11-20 21:27:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:55,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:27:55,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:27:55,825 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:27:55,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 21:27:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:56,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 21:27:56,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:27:56,295 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 17 [2022-11-20 21:27:56,300 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 21 treesize of output 13 [2022-11-20 21:27:56,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 21:27:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:27:56,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:27:56,712 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 30 treesize of output 22 [2022-11-20 21:27:56,730 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 28 treesize of output 16 [2022-11-20 21:27:56,825 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 6 treesize of output 4 [2022-11-20 21:27:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:27:56,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277307434] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:27:56,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1202982486] [2022-11-20 21:27:56,863 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-20 21:27:56,864 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:27:56,864 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:27:56,864 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:27:56,865 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:27:56,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:27:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,922 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 30 treesize of output 21 [2022-11-20 21:27:56,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:56,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,963 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 27 treesize of output 11 [2022-11-20 21:27:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:27:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:56,995 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 27 treesize of output 11 [2022-11-20 21:27:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:27:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,040 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 19 treesize of output 18 [2022-11-20 21:27:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,053 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 19 treesize of output 18 [2022-11-20 21:27:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:27:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,122 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 26 treesize of output 28 [2022-11-20 21:27:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:27:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:27:57,266 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:27:57,267 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:27:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:57,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:27:57,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:57,390 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:57,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:27:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:27:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:27:57,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:27:57,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,543 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 26 treesize of output 28 [2022-11-20 21:27:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:57,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,576 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 30 treesize of output 32 [2022-11-20 21:27:57,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:27:57,708 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:27:57,709 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:27:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:27:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:27:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:57,832 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:57,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:27:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:27:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:27:57,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:57,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:27:58,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,104 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:27:58,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 416 [2022-11-20 21:27:58,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,189 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-20 21:27:58,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 457 [2022-11-20 21:27:58,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,240 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:27:58,240 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 6 case distinctions, treesize of input 457 treesize of output 420 [2022-11-20 21:27:58,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,399 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:27:58,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 419 [2022-11-20 21:27:58,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,454 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:27:58,454 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 6 case distinctions, treesize of input 457 treesize of output 420 [2022-11-20 21:27:58,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,537 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-20 21:27:58,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 460 [2022-11-20 21:27:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,684 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:27:58,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-11-20 21:27:58,854 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:27:58,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-11-20 21:27:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:58,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:58,938 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:27:58,939 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 7 case distinctions, treesize of input 993 treesize of output 848 [2022-11-20 21:27:59,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:59,291 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:27:59,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-11-20 21:27:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:59,544 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:27:59,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-11-20 21:27:59,743 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:27:59,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-11-20 21:27:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:59,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:59,827 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:27:59,827 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-20 21:27:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:59,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:00,164 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:28:00,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-11-20 21:28:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:00,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:00,536 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:28:00,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-11-20 21:28:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:00,920 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:28:00,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-11-20 21:28:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:00,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:00,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,101 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:28:01,102 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 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-20 21:28:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,301 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:28:01,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-11-20 21:28:01,465 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:28:01,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-11-20 21:28:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:01,555 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:28:01,556 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 7 case distinctions, treesize of input 993 treesize of output 848 [2022-11-20 21:28:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:01,905 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:28:01,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-11-20 21:28:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:02,163 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:28:02,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-11-20 21:28:02,492 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:28:02,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-11-20 21:28:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:02,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:02,573 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:28:02,574 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-20 21:28:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:02,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:02,894 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:28:02,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-11-20 21:28:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:02,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:03,163 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:28:03,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-11-20 21:28:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:03,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:03,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:03,359 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:28:03,360 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 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-20 21:28:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:03,723 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:28:03,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-11-20 21:28:03,905 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 11 treesize of output 7 [2022-11-20 21:28:03,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:03,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:03,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:03,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:03,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:03,952 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 114 treesize of output 84 [2022-11-20 21:28:03,974 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:28:03,975 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 87 treesize of output 69 [2022-11-20 21:28:03,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:28:04,041 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:04,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:04,056 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:28:04,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 28 [2022-11-20 21:28:04,072 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 49 treesize of output 36 [2022-11-20 21:28:04,089 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:04,089 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:28:04,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:04,121 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 64 treesize of output 39 [2022-11-20 21:28:04,198 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:28:04,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:28:04,215 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:28:04,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 41 [2022-11-20 21:28:04,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:04,235 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:04,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:28:04,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:04,282 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 36 treesize of output 18 [2022-11-20 21:28:04,298 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 64 treesize of output 50 [2022-11-20 21:28:04,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:04,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:28:04,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:04,340 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 114 treesize of output 84 [2022-11-20 21:28:04,364 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:28:04,364 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 87 treesize of output 69 [2022-11-20 21:28:04,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-20 21:28:04,438 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:04,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:04,455 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:28:04,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 34 [2022-11-20 21:28:04,471 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 15 treesize of output 1 [2022-11-20 21:28:04,484 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 61 treesize of output 48 [2022-11-20 21:28:04,500 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:28:04,501 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 51 treesize of output 48 [2022-11-20 21:28:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:04,531 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 64 treesize of output 39 [2022-11-20 21:28:04,630 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:28:04,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:28:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:04,652 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:04,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:28:04,672 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:28:04,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 41 [2022-11-20 21:28:04,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:04,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:04,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:04,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:04,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:04,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:04,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:04,767 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 84 treesize of output 54 [2022-11-20 21:28:04,776 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 27 treesize of output 22 [2022-11-20 21:28:04,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:28:04,857 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:28:04,857 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:28:04,935 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:04,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:04,962 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 15 treesize of output 1 [2022-11-20 21:28:04,973 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 76 treesize of output 55 [2022-11-20 21:28:04,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:04,994 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:28:05,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,036 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 91 treesize of output 58 [2022-11-20 21:28:05,115 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:28:05,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:28:05,134 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:28:05,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2022-11-20 21:28:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:05,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:28:05,197 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:05,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:28:05,210 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 91 treesize of output 69 [2022-11-20 21:28:05,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:28:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:05,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,312 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-20 21:28:05,313 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 3 case distinctions, treesize of input 225 treesize of output 213 [2022-11-20 21:28:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:05,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:05,340 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:28:05,341 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 207 treesize of output 212 [2022-11-20 21:28:05,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:05,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:05,369 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-20 21:28:05,370 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 261 treesize of output 266 [2022-11-20 21:28:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,695 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-11-20 21:28:05,695 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 6 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:28:05,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,749 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-11-20 21:28:05,749 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 7 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:28:05,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:05,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-20 21:28:05,994 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-20 21:28:05,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 598 treesize of output 618 [2022-11-20 21:28:06,289 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:06,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:06,368 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:06,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:06,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:06,460 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 11 treesize of output 7 [2022-11-20 21:28:06,470 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 [2022-11-20 21:28:06,500 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:28:06,501 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 21:28:06,529 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:28:06,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:28:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:06,538 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 27 treesize of output 11 [2022-11-20 21:28:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:06,547 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 27 treesize of output 11 [2022-11-20 21:28:06,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:06,603 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:28:11,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1202982486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:11,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:28:11,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [9, 10, 10] total 44 [2022-11-20 21:28:11,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473913942] [2022-11-20 21:28:11,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:11,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-20 21:28:11,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 21:28:11,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=1645, Unknown=0, NotChecked=0, Total=1980 [2022-11-20 21:28:11,107 INFO L87 Difference]: Start difference. First operand 132 states and 172 transitions. Second operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:28:13,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:13,994 INFO L93 Difference]: Finished difference Result 163 states and 190 transitions. [2022-11-20 21:28:13,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 21:28:13,999 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-20 21:28:13,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:14,000 INFO L225 Difference]: With dead ends: 163 [2022-11-20 21:28:14,000 INFO L226 Difference]: Without dead ends: 163 [2022-11-20 21:28:14,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=459, Invalid=2403, Unknown=0, NotChecked=0, Total=2862 [2022-11-20 21:28:14,006 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 127 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:14,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 247 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 21:28:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-20 21:28:14,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 140. [2022-11-20 21:28:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 102 states have (on average 1.8137254901960784) internal successors, (185), 139 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:28:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 185 transitions. [2022-11-20 21:28:14,018 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 185 transitions. Word has length 34 [2022-11-20 21:28:14,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:14,019 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 185 transitions. [2022-11-20 21:28:14,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:28:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 185 transitions. [2022-11-20 21:28:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 21:28:14,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:14,020 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:14,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:14,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-20 21:28:14,227 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:28:14,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379725, now seen corresponding path program 1 times [2022-11-20 21:28:14,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:14,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206628831] [2022-11-20 21:28:14,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:28:15,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:15,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206628831] [2022-11-20 21:28:15,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206628831] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:15,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677054490] [2022-11-20 21:28:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:15,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:15,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:15,253 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:15,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 21:28:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:15,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 21:28:15,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:15,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:28:15,588 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:28:15,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:28:15,701 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:28:15,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-20 21:28:15,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:16,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-11-20 21:28:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:16,434 INFO L321 Elim1Store]: treesize reduction 19, result has 38.7 percent of original size [2022-11-20 21:28:16,434 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 74 treesize of output 39 [2022-11-20 21:28:16,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 20 treesize of output 12 [2022-11-20 21:28:16,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 22 [2022-11-20 21:28:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:28:16,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:28:17,218 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 43 treesize of output 31 [2022-11-20 21:28:17,331 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:17,331 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 650 treesize of output 642 [2022-11-20 21:28:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:28:20,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677054490] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:28:20,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [759230818] [2022-11-20 21:28:20,764 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-20 21:28:20,764 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:28:20,765 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:28:20,765 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:28:20,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:28:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:28:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,835 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 30 treesize of output 21 [2022-11-20 21:28:20,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:20,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:28:20,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,893 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 27 treesize of output 11 [2022-11-20 21:28:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:28:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-20 21:28:20,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,968 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 19 treesize of output 18 [2022-11-20 21:28:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:20,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:28:20,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,000 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 19 treesize of output 18 [2022-11-20 21:28:21,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-20 21:28:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:28:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:28:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:28:21,183 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:28:21,184 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:28:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:28:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:28:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:21,307 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:28:21,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:28:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:28:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:28:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:28:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,464 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 26 treesize of output 28 [2022-11-20 21:28:21,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:28:21,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:28:21,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:28:21,637 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:28:21,637 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:28:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:28:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:28:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:21,770 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:28:21,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:28:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:28:21,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:28:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:21,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:28:21,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:21,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:21,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,052 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:28:22,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 416 [2022-11-20 21:28:22,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,108 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:28:22,108 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 6 case distinctions, treesize of input 457 treesize of output 420 [2022-11-20 21:28:22,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,192 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-20 21:28:22,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 457 [2022-11-20 21:28:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,330 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:28:22,330 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 6 case distinctions, treesize of input 457 treesize of output 420 [2022-11-20 21:28:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,412 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:28:22,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 419 [2022-11-20 21:28:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,502 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-20 21:28:22,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 460 [2022-11-20 21:28:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,647 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:28:22,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-11-20 21:28:22,805 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:28:22,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-11-20 21:28:22,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:22,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:22,896 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:28:22,896 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 7 case distinctions, treesize of input 993 treesize of output 848 [2022-11-20 21:28:23,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:23,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:23,216 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:28:23,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-11-20 21:28:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:23,485 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:28:23,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-11-20 21:28:23,815 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:28:23,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-11-20 21:28:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:23,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:23,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:23,894 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:28:23,894 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-20 21:28:24,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:24,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:24,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:24,224 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:28:24,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-11-20 21:28:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:24,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:24,513 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:28:24,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-11-20 21:28:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:24,915 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:28:24,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-11-20 21:28:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:24,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:24,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,074 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:28:25,075 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 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-20 21:28:25,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,258 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:28:25,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-11-20 21:28:25,506 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:28:25,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-11-20 21:28:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:25,591 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:28:25,591 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 7 case distinctions, treesize of input 993 treesize of output 848 [2022-11-20 21:28:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:25,902 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:28:25,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-11-20 21:28:26,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:26,157 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:28:26,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-11-20 21:28:26,351 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:28:26,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-11-20 21:28:26,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:26,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:26,429 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:28:26,430 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-20 21:28:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:26,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:26,768 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:28:26,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-11-20 21:28:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:26,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:27,177 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:28:27,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-11-20 21:28:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:27,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:27,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:27,345 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:28:27,346 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 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-20 21:28:27,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:27,695 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:28:27,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-11-20 21:28:27,888 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 15 treesize of output 1 [2022-11-20 21:28:27,892 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 11 treesize of output 7 [2022-11-20 21:28:27,898 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 11 treesize of output 7 [2022-11-20 21:28:27,909 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 11 treesize of output 7 [2022-11-20 21:28:27,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:27,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:27,936 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 84 treesize of output 54 [2022-11-20 21:28:27,945 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 27 treesize of output 22 [2022-11-20 21:28:27,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:28:28,024 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:28:28,024 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:28:28,102 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:28,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:28,119 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 15 treesize of output 1 [2022-11-20 21:28:28,129 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 98 treesize of output 69 [2022-11-20 21:28:28,146 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:28,147 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:28:28,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:28,190 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 113 treesize of output 72 [2022-11-20 21:28:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:28,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:28,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:28:28,297 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:28:28,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:28:28,317 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:28:28,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 63 [2022-11-20 21:28:28,353 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 36 treesize of output 18 [2022-11-20 21:28:28,365 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 100 treesize of output 74 [2022-11-20 21:28:28,389 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:28,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:28:28,408 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-11-20 21:28:28,417 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 27 treesize of output 22 [2022-11-20 21:28:28,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:28:28,492 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:28:28,492 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:28:28,567 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:28,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:28,595 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:28,595 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:28:28,606 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 69 treesize of output 48 [2022-11-20 21:28:28,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:28,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:28,645 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 84 treesize of output 51 [2022-11-20 21:28:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:28,661 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:28,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:28:28,727 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:28:28,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 65 [2022-11-20 21:28:28,829 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:28:28,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:28:28,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:28,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:28,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:28,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:28,892 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 15 treesize of output 1 [2022-11-20 21:28:28,898 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 11 treesize of output 7 [2022-11-20 21:28:28,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:28,918 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-11-20 21:28:28,940 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:28:28,940 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 87 treesize of output 69 [2022-11-20 21:28:28,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-20 21:28:29,015 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:28:29,016 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 3 case distinctions, treesize of input 29 treesize of output 58 [2022-11-20 21:28:29,096 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:29,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:29,116 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 15 treesize of output 1 [2022-11-20 21:28:29,125 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 101 treesize of output 76 [2022-11-20 21:28:29,145 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:28:29,145 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 51 treesize of output 48 [2022-11-20 21:28:29,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:29,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,179 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 116 treesize of output 79 [2022-11-20 21:28:29,261 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:28:29,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 78 [2022-11-20 21:28:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,283 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:28:29,283 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 45 [2022-11-20 21:28:29,395 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:28:29,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:28:29,449 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 36 treesize of output 18 [2022-11-20 21:28:29,470 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:29,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:28:29,484 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 90 treesize of output 68 [2022-11-20 21:28:29,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:29,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,591 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-20 21:28:29,592 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 3 case distinctions, treesize of input 225 treesize of output 213 [2022-11-20 21:28:29,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:29,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:29,619 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:28:29,620 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 207 treesize of output 212 [2022-11-20 21:28:29,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:29,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:29,648 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-20 21:28:29,648 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 261 treesize of output 266 [2022-11-20 21:28:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,952 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-20 21:28:29,953 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 7 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:28:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:29,993 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-20 21:28:29,994 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 6 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:28:30,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:30,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-20 21:28:30,251 INFO L321 Elim1Store]: treesize reduction 166, result has 33.1 percent of original size [2022-11-20 21:28:30,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 644 treesize of output 660 [2022-11-20 21:28:31,334 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:31,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:28:31,394 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,459 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,538 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,596 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,641 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,711 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,759 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:31,908 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:31,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 151 [2022-11-20 21:28:31,961 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:31,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 287 treesize of output 1 [2022-11-20 21:28:32,047 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:32,117 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:32,185 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:32,215 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:28:32,259 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:28:32,342 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:32,375 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:28:32,424 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:28:32,485 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:32,512 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:28:32,579 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:28:32,643 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:28:32,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 1 [2022-11-20 21:28:32,769 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:28:32,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 424 [2022-11-20 21:28:32,967 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 11 treesize of output 7 [2022-11-20 21:28:32,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:32,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:33,004 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 27 treesize of output 11 [2022-11-20 21:28:33,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:28:33,041 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:28:33,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:28:33,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 16 [2022-11-20 21:28:33,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:33,061 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 27 treesize of output 11 [2022-11-20 21:28:33,132 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:28:38,632 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10883#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (not (= (select |#valid| |ULTIMATE.start_main_~item2~0#1.base|) 1)) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (= |#NULL.base| 0))' at error location [2022-11-20 21:28:38,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:28:38,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:28:38,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 15] total 36 [2022-11-20 21:28:38,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988628136] [2022-11-20 21:28:38,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:28:38,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-20 21:28:38,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:38,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-20 21:28:38,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=3370, Unknown=0, NotChecked=0, Total=3782 [2022-11-20 21:28:38,635 INFO L87 Difference]: Start difference. First operand 140 states and 185 transitions. Second operand has 37 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 37 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:28:39,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:39,997 INFO L93 Difference]: Finished difference Result 144 states and 188 transitions. [2022-11-20 21:28:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 21:28:39,997 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 37 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) Word has length 34 [2022-11-20 21:28:39,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:39,998 INFO L225 Difference]: With dead ends: 144 [2022-11-20 21:28:39,998 INFO L226 Difference]: Without dead ends: 144 [2022-11-20 21:28:39,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=530, Invalid=4300, Unknown=0, NotChecked=0, Total=4830 [2022-11-20 21:28:40,000 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 90 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 228 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:40,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 449 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 765 Invalid, 0 Unknown, 228 Unchecked, 0.9s Time] [2022-11-20 21:28:40,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-20 21:28:40,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2022-11-20 21:28:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 102 states have (on average 1.803921568627451) internal successors, (184), 139 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:28:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-11-20 21:28:40,004 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 34 [2022-11-20 21:28:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:40,004 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-11-20 21:28:40,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 37 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:28:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-11-20 21:28:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 21:28:40,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:40,005 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:40,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:40,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:40,213 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:28:40,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:40,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379724, now seen corresponding path program 1 times [2022-11-20 21:28:40,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:40,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709812755] [2022-11-20 21:28:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:28:41,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:41,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709812755] [2022-11-20 21:28:41,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709812755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:41,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41644058] [2022-11-20 21:28:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:41,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:41,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:41,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:41,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 21:28:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:41,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-20 21:28:41,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:41,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:28:41,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:28:41,898 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:28:41,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:28:42,000 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:28:42,000 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 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-20 21:28:42,039 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-20 21:28:42,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 21:28:42,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:28:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:42,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2022-11-20 21:28:42,352 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 11 [2022-11-20 21:28:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:42,705 INFO L321 Elim1Store]: treesize reduction 19, result has 38.7 percent of original size [2022-11-20 21:28:42,705 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 95 treesize of output 56 [2022-11-20 21:28:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:43,015 INFO L321 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size [2022-11-20 21:28:43,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 118 [2022-11-20 21:28:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:28:43,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:28:44,224 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:44,225 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 578 treesize of output 526 [2022-11-20 21:28:48,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:48,682 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:28:48,682 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 258 treesize of output 254 [2022-11-20 21:28:49,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:49,037 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 21:28:49,038 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 280 treesize of output 1 [2022-11-20 21:28:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:49,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:49,052 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 28 treesize of output 24 [2022-11-20 21:28:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:49,180 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 283 treesize of output 271 [2022-11-20 21:29:03,413 WARN L233 SmtUtils]: Spent 12.30s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 21:29:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:29:03,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41644058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:29:03,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1850877367] [2022-11-20 21:29:03,732 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-20 21:29:03,732 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:29:03,733 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:29:03,733 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:29:03,733 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:29:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:29:03,802 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 11 treesize of output 7 [2022-11-20 21:29:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,812 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 30 treesize of output 21 [2022-11-20 21:29:03,823 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 11 treesize of output 7 [2022-11-20 21:29:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,838 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 27 treesize of output 11 [2022-11-20 21:29:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:29:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,863 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 27 treesize of output 11 [2022-11-20 21:29:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,879 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 [2022-11-20 21:29:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:29:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,924 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 19 treesize of output 18 [2022-11-20 21:29:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,936 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 19 treesize of output 18 [2022-11-20 21:29:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,966 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 26 treesize of output 28 [2022-11-20 21:29:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:29:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:03,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:29:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:29:04,118 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:29:04,118 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:29:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:29:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:29:04,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:04,249 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:29:04,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:29:04,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:29:04,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:29:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:29:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,400 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 26 treesize of output 28 [2022-11-20 21:29:04,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:29:04,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,432 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 30 treesize of output 32 [2022-11-20 21:29:04,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-11-20 21:29:04,556 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:29:04,556 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 4 case distinctions, treesize of input 141 treesize of output 109 [2022-11-20 21:29:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-20 21:29:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:29:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:04,677 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:29:04,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-20 21:29:04,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 21:29:04,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-20 21:29:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-20 21:29:04,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:04,963 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:29:04,964 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 6 case distinctions, treesize of input 450 treesize of output 413 [2022-11-20 21:29:04,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:04,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:04,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,066 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-20 21:29:05,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 450 [2022-11-20 21:29:05,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,147 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:29:05,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 409 [2022-11-20 21:29:05,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,303 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:29:05,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 412 [2022-11-20 21:29:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,399 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-20 21:29:05,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 453 [2022-11-20 21:29:05,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,450 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:29:05,450 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 6 case distinctions, treesize of input 450 treesize of output 413 [2022-11-20 21:29:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,601 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:29:05,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-11-20 21:29:05,776 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:29:05,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-11-20 21:29:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:05,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:05,866 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:29:05,867 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 7 case distinctions, treesize of input 958 treesize of output 813 [2022-11-20 21:29:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:06,233 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:29:06,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-11-20 21:29:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:06,509 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:29:06,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-11-20 21:29:06,722 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:29:06,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-11-20 21:29:06,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:06,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:06,801 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:29:06,802 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 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-11-20 21:29:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:06,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:07,207 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:29:07,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-11-20 21:29:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:07,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:07,598 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:29:07,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-11-20 21:29:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:07,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:07,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:07,764 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:29:07,764 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 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-11-20 21:29:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,102 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:29:08,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-11-20 21:29:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:08,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:08,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:08,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:08,286 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-20 21:29:08,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-11-20 21:29:08,431 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-20 21:29:08,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-11-20 21:29:08,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:08,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:08,517 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-20 21:29:08,517 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 7 case distinctions, treesize of input 958 treesize of output 813 [2022-11-20 21:29:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:08,818 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-20 21:29:08,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-11-20 21:29:08,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:09,039 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-20 21:29:09,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-11-20 21:29:09,220 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-20 21:29:09,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-11-20 21:29:09,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:09,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:09,289 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-20 21:29:09,290 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 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-11-20 21:29:09,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:09,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:09,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:09,620 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-20 21:29:09,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-11-20 21:29:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:09,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:10,045 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-20 21:29:10,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-11-20 21:29:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:10,453 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-20 21:29:10,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-11-20 21:29:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:10,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:10,644 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-20 21:29:10,644 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 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-11-20 21:29:10,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:10,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:10,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:10,824 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 11 treesize of output 7 [2022-11-20 21:29:10,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:10,836 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 11 treesize of output 7 [2022-11-20 21:29:10,849 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 84 treesize of output 54 [2022-11-20 21:29:10,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:29:10,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-20 21:29:10,938 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:29:10,938 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:29:11,015 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:11,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:11,038 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 15 treesize of output 1 [2022-11-20 21:29:11,048 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 76 treesize of output 55 [2022-11-20 21:29:11,066 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:11,067 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:29:11,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:11,104 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 91 treesize of output 58 [2022-11-20 21:29:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:11,121 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:11,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:29:11,215 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:29:11,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:29:11,235 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:29:11,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2022-11-20 21:29:11,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:11,280 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 36 treesize of output 18 [2022-11-20 21:29:11,293 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 91 treesize of output 69 [2022-11-20 21:29:11,316 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:11,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:29:11,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:11,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-11-20 21:29:11,362 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:29:11,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-11-20 21:29:11,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:29:11,432 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:11,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:11,448 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:29:11,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 28 [2022-11-20 21:29:11,466 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 49 treesize of output 36 [2022-11-20 21:29:11,483 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:11,483 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:29:11,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:11,520 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 64 treesize of output 39 [2022-11-20 21:29:11,600 INFO L321 Elim1Store]: treesize reduction 42, result has 51.2 percent of original size [2022-11-20 21:29:11,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 65 [2022-11-20 21:29:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:11,638 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:11,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:29:11,731 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:29:11,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:29:11,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:11,774 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 11 treesize of output 7 [2022-11-20 21:29:11,780 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 15 treesize of output 1 [2022-11-20 21:29:11,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:11,795 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 11 treesize of output 7 [2022-11-20 21:29:11,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:11,808 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 11 treesize of output 7 [2022-11-20 21:29:11,823 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 84 treesize of output 54 [2022-11-20 21:29:11,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:29:11,840 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 27 treesize of output 22 [2022-11-20 21:29:11,909 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:29:11,909 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:29:11,991 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:11,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:12,010 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 15 treesize of output 1 [2022-11-20 21:29:12,021 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 69 treesize of output 48 [2022-11-20 21:29:12,039 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:12,039 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:29:12,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 51 [2022-11-20 21:29:12,147 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:29:12,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 65 [2022-11-20 21:29:12,258 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:29:12,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:29:12,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,283 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:12,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:29:12,317 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 84 treesize of output 62 [2022-11-20 21:29:12,336 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:12,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:29:12,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:29:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,461 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-20 21:29:12,461 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 3 case distinctions, treesize of input 218 treesize of output 206 [2022-11-20 21:29:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:12,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:12,491 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:29:12,491 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 200 treesize of output 205 [2022-11-20 21:29:12,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:12,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:12,520 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-20 21:29:12,521 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 248 treesize of output 253 [2022-11-20 21:29:12,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,826 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-11-20 21:29:12,826 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 6 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:29:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,884 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-11-20 21:29:12,884 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 7 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:29:12,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:12,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-20 21:29:13,127 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-20 21:29:13,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 568 treesize of output 600 [2022-11-20 21:29:13,758 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:13,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:13,802 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:13,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:13,855 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:13,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:13,909 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:13,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:14,028 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:14,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 220 treesize of output 227 [2022-11-20 21:29:14,111 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:14,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:14,161 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:14,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:14,210 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:29:14,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:29:14,297 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:14,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:14,366 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:14,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:14,436 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:14,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 1 [2022-11-20 21:29:14,544 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 11 treesize of output 7 [2022-11-20 21:29:14,551 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:14,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:14,593 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:29:14,594 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 21:29:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:14,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-20 21:29:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:14,612 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 27 treesize of output 11 [2022-11-20 21:29:14,642 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:29:14,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:29:14,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:14,700 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:29:21,126 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11447#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (or (not (<= 0 (+ |ULTIMATE.start_main_~item2~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~item2~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~item2~0#1.base|)))) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (= |#NULL.base| 0))' at error location [2022-11-20 21:29:21,126 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:29:21,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:29:21,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 40 [2022-11-20 21:29:21,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587930372] [2022-11-20 21:29:21,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:29:21,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-20 21:29:21,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:29:21,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-20 21:29:21,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=3881, Unknown=0, NotChecked=0, Total=4290 [2022-11-20 21:29:21,129 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 41 states, 40 states have (on average 2.4) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:29:24,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:29:24,251 INFO L93 Difference]: Finished difference Result 263 states and 315 transitions. [2022-11-20 21:29:24,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-20 21:29:24,252 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.4) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 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 34 [2022-11-20 21:29:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:29:24,253 INFO L225 Difference]: With dead ends: 263 [2022-11-20 21:29:24,253 INFO L226 Difference]: Without dead ends: 263 [2022-11-20 21:29:24,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2350 ImplicationChecksByTransitivity, 23.9s TimeCoverageRelationStatistics Valid=632, Invalid=6174, Unknown=0, NotChecked=0, Total=6806 [2022-11-20 21:29:24,255 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 430 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 527 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:29:24,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 584 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 998 Invalid, 0 Unknown, 527 Unchecked, 1.5s Time] [2022-11-20 21:29:24,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-11-20 21:29:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 149. [2022-11-20 21:29:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 111 states have (on average 1.8108108108108107) internal successors, (201), 148 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:29:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 201 transitions. [2022-11-20 21:29:24,261 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 201 transitions. Word has length 34 [2022-11-20 21:29:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:29:24,261 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 201 transitions. [2022-11-20 21:29:24,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.4) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:29:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 201 transitions. [2022-11-20 21:29:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 21:29:24,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:29:24,262 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:29:24,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 21:29:24,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-11-20 21:29:24,470 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:29:24,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:29:24,470 INFO L85 PathProgramCache]: Analyzing trace with hash 884437312, now seen corresponding path program 1 times [2022-11-20 21:29:24,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:29:24,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213286298] [2022-11-20 21:29:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:24,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:29:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:29:25,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:29:25,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213286298] [2022-11-20 21:29:25,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213286298] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:29:25,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390884885] [2022-11-20 21:29:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:25,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:29:25,369 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:29:25,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 21:29:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:25,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 21:29:25,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:29:25,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:29:25,810 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 11 treesize of output 7 [2022-11-20 21:29:25,906 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:29:25,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:29:25,976 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 15 treesize of output 17 [2022-11-20 21:29:26,000 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 15 treesize of output 17 [2022-11-20 21:29:26,030 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-20 21:29:26,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 21:29:26,151 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 15 treesize of output 17 [2022-11-20 21:29:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:26,173 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 20 treesize of output 19 [2022-11-20 21:29:26,194 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 15 treesize of output 17 [2022-11-20 21:29:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:26,310 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:26,310 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 18 treesize of output 11 [2022-11-20 21:29:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:29:26,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:29:26,476 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2118 (Array Int Int)) (v_ArrVal_2117 Int)) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| v_ArrVal_2117)) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_2118) |c_ULTIMATE.start_main_~data~0#1.base|) (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4)) 0))) is different from false [2022-11-20 21:29:26,485 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2118 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2117 Int)) (not (= (select (select (store (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_2115))) (store .cse0 |c_ULTIMATE.start_main_~data~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| v_ArrVal_2117))) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_2118) |c_ULTIMATE.start_main_~data~0#1.base|) (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4)) 0))) is different from false [2022-11-20 21:29:26,783 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:26,784 INFO L350 Elim1Store]: Elim1 eliminated variable 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 53 treesize of output 44 [2022-11-20 21:29:26,800 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:26,801 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 293 treesize of output 286 [2022-11-20 21:29:26,811 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 270 treesize of output 238 [2022-11-20 21:29:26,819 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 238 treesize of output 230 [2022-11-20 21:29:26,827 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 230 treesize of output 214 [2022-11-20 21:29:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:29:27,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390884885] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:29:27,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [785373651] [2022-11-20 21:29:27,316 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-20 21:29:27,316 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:29:27,316 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:29:27,316 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:29:27,317 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:29:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 21:29:27,394 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 11 treesize of output 7 [2022-11-20 21:29:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,406 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 30 treesize of output 21 [2022-11-20 21:29:27,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 21:29:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,457 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 27 treesize of output 11 [2022-11-20 21:29:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,469 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 27 treesize of output 11 [2022-11-20 21:29:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 21:29:27,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-20 21:29:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,537 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 19 treesize of output 18 [2022-11-20 21:29:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,556 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 19 treesize of output 18 [2022-11-20 21:29:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,589 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 28 treesize of output 30 [2022-11-20 21:29:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,606 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 36 [2022-11-20 21:29:27,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:29:27,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:29:27,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,754 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:29:27,754 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:29:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:29:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:29:27,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:27,888 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:29:27,889 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:29:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:29:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:27,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-11-20 21:29:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:29:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,051 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 28 treesize of output 30 [2022-11-20 21:29:28,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,067 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 36 [2022-11-20 21:29:28,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-11-20 21:29:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-20 21:29:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,228 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:29:28,229 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 4 case distinctions, treesize of input 163 treesize of output 111 [2022-11-20 21:29:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-20 21:29:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 21:29:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,354 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-20 21:29:28,354 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 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-20 21:29:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-20 21:29:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-20 21:29:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-11-20 21:29:28,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,645 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-20 21:29:28,645 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 8 case distinctions, treesize of input 483 treesize of output 420 [2022-11-20 21:29:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,733 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-20 21:29:28,734 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 8 case distinctions, treesize of input 483 treesize of output 483 [2022-11-20 21:29:28,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,785 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 21:29:28,786 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 6 case distinctions, treesize of input 483 treesize of output 444 [2022-11-20 21:29:28,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:28,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,927 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 21:29:28,928 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 6 case distinctions, treesize of input 483 treesize of output 444 [2022-11-20 21:29:28,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:28,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,009 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-20 21:29:29,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 423 [2022-11-20 21:29:29,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,101 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-11-20 21:29:29,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 486 [2022-11-20 21:29:29,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,244 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-20 21:29:29,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 512 [2022-11-20 21:29:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,398 INFO L321 Elim1Store]: treesize reduction 306, result has 13.6 percent of original size [2022-11-20 21:29:29,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 983 treesize of output 861 [2022-11-20 21:29:29,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:29,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,489 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-20 21:29:29,490 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 7 case distinctions, treesize of input 1019 treesize of output 872 [2022-11-20 21:29:29,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,798 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-20 21:29:29,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 1008 treesize of output 975 [2022-11-20 21:29:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:29,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,064 INFO L321 Elim1Store]: treesize reduction 268, result has 11.0 percent of original size [2022-11-20 21:29:30,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1279 treesize of output 749 [2022-11-20 21:29:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,276 INFO L321 Elim1Store]: treesize reduction 368, result has 12.0 percent of original size [2022-11-20 21:29:30,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1286 treesize of output 970 [2022-11-20 21:29:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:30,356 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 21:29:30,357 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 6 case distinctions, treesize of input 1141 treesize of output 1018 [2022-11-20 21:29:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,742 INFO L321 Elim1Store]: treesize reduction 406, result has 10.6 percent of original size [2022-11-20 21:29:30,742 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 11 new quantified variables, introduced 25 case distinctions, treesize of input 1294 treesize of output 752 [2022-11-20 21:29:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:30,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,168 INFO L321 Elim1Store]: treesize reduction 476, result has 8.8 percent of original size [2022-11-20 21:29:31,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 1301 treesize of output 973 [2022-11-20 21:29:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,539 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-20 21:29:31,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1166 treesize of output 1134 [2022-11-20 21:29:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:31,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:31,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,700 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-20 21:29:31,701 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 7 case distinctions, treesize of input 1139 treesize of output 1027 [2022-11-20 21:29:31,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:31,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:31,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:31,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:31,883 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-20 21:29:31,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 512 [2022-11-20 21:29:31,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,068 INFO L321 Elim1Store]: treesize reduction 306, result has 13.6 percent of original size [2022-11-20 21:29:32,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 983 treesize of output 861 [2022-11-20 21:29:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:32,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,161 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-20 21:29:32,161 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 7 case distinctions, treesize of input 1019 treesize of output 872 [2022-11-20 21:29:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,438 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-20 21:29:32,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 1008 treesize of output 975 [2022-11-20 21:29:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,705 INFO L321 Elim1Store]: treesize reduction 268, result has 11.0 percent of original size [2022-11-20 21:29:32,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1279 treesize of output 749 [2022-11-20 21:29:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,910 INFO L321 Elim1Store]: treesize reduction 368, result has 12.0 percent of original size [2022-11-20 21:29:32,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1286 treesize of output 970 [2022-11-20 21:29:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:32,986 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 21:29:32,987 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 6 case distinctions, treesize of input 1141 treesize of output 1018 [2022-11-20 21:29:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:33,374 INFO L321 Elim1Store]: treesize reduction 406, result has 10.6 percent of original size [2022-11-20 21:29:33,375 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 11 new quantified variables, introduced 25 case distinctions, treesize of input 1294 treesize of output 752 [2022-11-20 21:29:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:33,851 INFO L321 Elim1Store]: treesize reduction 476, result has 8.8 percent of original size [2022-11-20 21:29:33,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 1301 treesize of output 973 [2022-11-20 21:29:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:34,275 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-20 21:29:34,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1166 treesize of output 1134 [2022-11-20 21:29:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:34,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:34,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:34,423 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-20 21:29:34,424 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 7 case distinctions, treesize of input 1139 treesize of output 1027 [2022-11-20 21:29:34,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:34,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:34,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:34,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:34,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:34,646 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 11 treesize of output 7 [2022-11-20 21:29:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:34,661 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 114 treesize of output 84 [2022-11-20 21:29:34,684 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:29:34,684 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 87 treesize of output 69 [2022-11-20 21:29:34,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-20 21:29:34,763 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:29:34,763 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 3 case distinctions, treesize of input 29 treesize of output 58 [2022-11-20 21:29:34,845 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:34,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:34,869 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 15 treesize of output 1 [2022-11-20 21:29:34,879 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 101 treesize of output 76 [2022-11-20 21:29:34,897 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:29:34,897 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 51 treesize of output 48 [2022-11-20 21:29:34,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:34,930 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 116 treesize of output 79 [2022-11-20 21:29:35,018 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:29:35,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:29:35,039 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 21:29:35,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 66 [2022-11-20 21:29:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:35,062 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:29:35,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 51 [2022-11-20 21:29:35,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:35,109 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 36 treesize of output 18 [2022-11-20 21:29:35,131 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 21:29:35,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 58 [2022-11-20 21:29:35,144 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 112 treesize of output 86 [2022-11-20 21:29:35,174 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 84 treesize of output 54 [2022-11-20 21:29:35,183 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 27 treesize of output 22 [2022-11-20 21:29:35,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:29:35,260 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:29:35,260 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:29:35,336 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:35,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:35,359 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 15 treesize of output 1 [2022-11-20 21:29:35,369 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 89 treesize of output 64 [2022-11-20 21:29:35,389 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:35,389 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:29:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:35,424 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:35,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:29:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:35,437 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 104 treesize of output 67 [2022-11-20 21:29:35,508 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:29:35,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 72 [2022-11-20 21:29:35,613 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:29:35,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:29:35,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:35,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:35,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:35,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:35,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:35,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:35,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:35,712 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 114 treesize of output 84 [2022-11-20 21:29:35,735 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 21:29:35,735 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 87 treesize of output 69 [2022-11-20 21:29:35,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-20 21:29:35,815 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-20 21:29:35,815 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 3 case distinctions, treesize of input 23 treesize of output 52 [2022-11-20 21:29:35,892 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:35,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:35,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 48 [2022-11-20 21:29:35,934 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:35,934 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 21:29:35,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:35,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:35,987 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:35,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-11-20 21:29:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,003 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 84 treesize of output 51 [2022-11-20 21:29:36,071 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-20 21:29:36,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 65 [2022-11-20 21:29:36,182 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-20 21:29:36,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-11-20 21:29:36,229 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:29:36,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 21:29:36,241 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 84 treesize of output 62 [2022-11-20 21:29:36,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-20 21:29:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:36,346 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-20 21:29:36,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 213 [2022-11-20 21:29:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:36,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:36,377 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 21:29:36,377 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 207 treesize of output 212 [2022-11-20 21:29:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:36,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:36,407 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-20 21:29:36,408 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 261 treesize of output 266 [2022-11-20 21:29:36,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,751 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-20 21:29:36,751 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 7 case distinctions, treesize of input 107 treesize of output 91 [2022-11-20 21:29:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,796 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-20 21:29:36,797 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 6 case distinctions, treesize of input 91 treesize of output 75 [2022-11-20 21:29:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:36,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-20 21:29:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,253 INFO L321 Elim1Store]: treesize reduction 211, result has 29.9 percent of original size [2022-11-20 21:29:37,253 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 9 new quantified variables, introduced 17 case distinctions, treesize of input 139 treesize of output 188 [2022-11-20 21:29:37,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:37,489 INFO L321 Elim1Store]: treesize reduction 194, result has 27.9 percent of original size [2022-11-20 21:29:37,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 155 treesize of output 183 [2022-11-20 21:29:37,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:37,733 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:37,751 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:37,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-11-20 21:29:38,534 INFO L321 Elim1Store]: treesize reduction 169, result has 27.2 percent of original size [2022-11-20 21:29:38,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 114 treesize of output 138 [2022-11-20 21:29:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:38,684 INFO L321 Elim1Store]: treesize reduction 158, result has 23.3 percent of original size [2022-11-20 21:29:38,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 130 treesize of output 133 [2022-11-20 21:29:38,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:38,732 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:38,733 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:38,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-11-20 21:29:38,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:39,005 INFO L321 Elim1Store]: treesize reduction 88, result has 40.1 percent of original size [2022-11-20 21:29:39,006 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 7 case distinctions, treesize of input 90 treesize of output 118 [2022-11-20 21:29:39,123 INFO L321 Elim1Store]: treesize reduction 70, result has 43.1 percent of original size [2022-11-20 21:29:39,124 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 7 case distinctions, treesize of input 110 treesize of output 126 [2022-11-20 21:29:39,144 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:39,146 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:39,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-11-20 21:29:39,212 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-20 21:29:39,448 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-20 21:29:39,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 568 treesize of output 588 [2022-11-20 21:29:40,431 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:40,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 151 [2022-11-20 21:29:40,520 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:40,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:40,589 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:40,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:40,648 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:40,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:40,687 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:29:40,727 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:29:40,770 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:40,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:40,832 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:40,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:40,884 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:29:40,899 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:29:40,945 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:40,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,081 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-20 21:29:41,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-11-20 21:29:41,162 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,220 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,276 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,347 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,400 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,491 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,553 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-11-20 21:29:41,615 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-20 21:29:41,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 1 [2022-11-20 21:29:41,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:41,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:41,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:41,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 21:29:41,803 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:29:41,803 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 21:29:41,830 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:29:41,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:29:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:41,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-20 21:29:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:41,848 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 27 treesize of output 11 [2022-11-20 21:29:41,913 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:29:47,453 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12172#(and (not (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1)) (or (and (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |#NULL.offset| 0) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~item~0#1.base|) (<= 0 |ULTIMATE.start_main_~lItem~0#1.offset|) (= |ULTIMATE.start_main_~item2~0#1.base| 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |#NULL.offset| 0) (exists ((|v_ULTIMATE.start_main_~data~0#1.base_110| Int) (|v_ULTIMATE.start_main_~data~0#1.offset_100| Int)) (and (<= 0 |v_ULTIMATE.start_main_~data~0#1.offset_100|) (= |ULTIMATE.start_main_~data~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~data~0#1.base_110|) |v_ULTIMATE.start_main_~data~0#1.offset_100|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~data~0#1.base_110|) |v_ULTIMATE.start_main_~data~0#1.offset_100|) |ULTIMATE.start_main_~data~0#1.offset|) (<= (+ |v_ULTIMATE.start_main_~data~0#1.offset_100| 4) (select |#length| |v_ULTIMATE.start_main_~data~0#1.base_110|)) (= (select |#valid| |v_ULTIMATE.start_main_~data~0#1.base_110|) 1))) (<= |ULTIMATE.start_main_~item~0#1.base| 0) (<= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= |#NULL.base| 0) (= |ULTIMATE.start_main_~dst~0#1.offset| 0) (= |ULTIMATE.start_main_~item2~0#1.offset| 0) (= |ULTIMATE.start_main_~dst~0#1.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))))' at error location [2022-11-20 21:29:47,453 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:29:47,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:29:47,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 12] total 32 [2022-11-20 21:29:47,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844008689] [2022-11-20 21:29:47,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:29:47,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-20 21:29:47,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:29:47,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-20 21:29:47,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=2927, Unknown=4, NotChecked=222, Total=3422 [2022-11-20 21:29:47,455 INFO L87 Difference]: Start difference. First operand 149 states and 201 transitions. Second operand has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:29:49,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:29:49,397 INFO L93 Difference]: Finished difference Result 231 states and 292 transitions. [2022-11-20 21:29:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-20 21:29:49,398 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 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 37 [2022-11-20 21:29:49,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:29:49,400 INFO L225 Difference]: With dead ends: 231 [2022-11-20 21:29:49,400 INFO L226 Difference]: Without dead ends: 231 [2022-11-20 21:29:49,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1857 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=523, Invalid=5180, Unknown=5, NotChecked=298, Total=6006 [2022-11-20 21:29:49,402 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 237 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 699 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 21:29:49,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 617 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 680 Invalid, 0 Unknown, 699 Unchecked, 0.7s Time] [2022-11-20 21:29:49,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-11-20 21:29:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 185. [2022-11-20 21:29:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 147 states have (on average 1.7006802721088434) internal successors, (250), 184 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:29:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 250 transitions. [2022-11-20 21:29:49,408 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 250 transitions. Word has length 37 [2022-11-20 21:29:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:29:49,408 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 250 transitions. [2022-11-20 21:29:49,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:29:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 250 transitions. [2022-11-20 21:29:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 21:29:49,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:29:49,409 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:29:49,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 21:29:49,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:49,617 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-11-20 21:29:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:29:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash 880683646, now seen corresponding path program 1 times [2022-11-20 21:29:49,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:29:49,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816367133] [2022-11-20 21:29:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:29:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:29:50,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:29:50,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816367133] [2022-11-20 21:29:50,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816367133] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:29:50,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589326908] [2022-11-20 21:29:50,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:50,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:50,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:29:50,576 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:29:50,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d9e3f7-86d7-44d1-88c2-e8a457d80177/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-20 21:29:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:50,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-20 21:29:50,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:29:50,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:29:50,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:29:50,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:50,935 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 21 treesize of output 20 [2022-11-20 21:29:51,009 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:29:51,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 21:29:51,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 21:29:51,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 21:29:51,094 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 21:29:51,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 21:29:51,208 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 18 [2022-11-20 21:29:51,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-20 21:29:51,337 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 21:29:51,337 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 39 treesize of output 32 [2022-11-20 21:29:51,603 INFO L321 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2022-11-20 21:29:51,603 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 32 [2022-11-20 21:29:51,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:51,943 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-20 21:29:52,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:52,060 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 21:29:52,061 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 19 [2022-11-20 21:29:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:29:52,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:29:52,117 INFO L321 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2022-11-20 21:29:52,118 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 24 treesize of output 23 [2022-11-20 21:30:05,798 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:30:05,798 INFO L350 Elim1Store]: Elim1 eliminated variable 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 539 treesize of output 246 [2022-11-20 21:30:07,317 INFO L321 Elim1Store]: treesize reduction 734, result has 15.6 percent of original size [2022-11-20 21:30:07,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 19 new quantified variables, introduced 66 case distinctions, treesize of input 643233 treesize of output 581931 [2022-11-20 21:30:42,335 WARN L233 SmtUtils]: Spent 35.00s on a formula simplification. DAG size of input: 3356 DAG size of output: 3336 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:30:44,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:30:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:44,599 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:30:44,606 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 636121 treesize of output 608405 [2022-11-20 21:31:07,563 WARN L233 SmtUtils]: Spent 22.95s on a formula simplification. DAG size of input: 3089 DAG size of output: 3086 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)