./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 38b53e6a 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_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0513.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 23:15:19,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:15:19,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:15:19,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:15:19,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:15:19,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:15:19,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:15:19,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:15:19,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:15:19,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:15:19,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:15:19,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:15:19,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:15:19,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:15:19,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:15:19,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:15:19,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:15:19,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:15:19,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:15:19,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:15:19,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:15:19,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:15:19,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:15:19,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:15:19,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:15:19,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:15:19,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:15:19,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:15:19,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:15:19,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:15:19,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:15:19,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:15:19,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:15:19,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:15:19,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:15:19,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:15:19,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:15:19,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:15:19,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:15:19,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:15:19,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:15:19,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-25 23:15:19,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:15:19,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:15:19,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:15:19,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:15:19,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:15:19,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:15:19,128 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:15:19,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:15:19,128 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:15:19,128 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:15:19,129 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:15:19,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:15:19,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:15:19,129 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:15:19,130 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:15:19,130 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:15:19,130 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:15:19,130 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:15:19,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:15:19,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:15:19,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:15:19,132 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:15:19,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:15:19,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:15:19,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:15:19,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:15:19,133 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:15:19,133 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:15:19,134 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:15:19,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:15:19,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:15:19,134 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:15:19,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:15:19,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:15:19,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:15:19,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:19,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:15:19,136 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:15:19,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:15:19,137 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:15:19,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:15:19,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:15:19,137 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_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaec9a71c2206d3d9fbfa56b3c6172e3ff60aad385f0ad346fdbde53f8ce1a2e [2022-11-25 23:15:19,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:15:19,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:15:19,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:15:19,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:15:19,413 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:15:19,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/test-0513.i [2022-11-25 23:15:22,370 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:15:22,716 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:15:22,717 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/sv-benchmarks/c/memsafety/test-0513.i [2022-11-25 23:15:22,727 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/data/24bde766a/ae4655fd36264f3cb7567cee933a8cc1/FLAGfe0ca652b [2022-11-25 23:15:22,741 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/data/24bde766a/ae4655fd36264f3cb7567cee933a8cc1 [2022-11-25 23:15:22,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:15:22,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:15:22,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:22,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:15:22,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:15:22,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:15:22" (1/1) ... [2022-11-25 23:15:22,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14340b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:22, skipping insertion in model container [2022-11-25 23:15:22,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:15:22" (1/1) ... [2022-11-25 23:15:22,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:15:22,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:15:23,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:23,144 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:15:23,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:23,218 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:15:23,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23 WrapperNode [2022-11-25 23:15:23,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:23,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:23,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:15:23,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:15:23,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,262 INFO L138 Inliner]: procedures = 123, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 124 [2022-11-25 23:15:23,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:23,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:15:23,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:15:23,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:15:23,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,290 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:15:23,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:15:23,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:15:23,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:15:23,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (1/1) ... [2022-11-25 23:15:23,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:23,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:23,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:15:23,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:15:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:15:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:15:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:15:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:15:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:15:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:15:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:15:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:15:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:15:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:15:23,490 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:15:23,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:15:24,045 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:15:24,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:15:24,172 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 23:15:24,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:24 BoogieIcfgContainer [2022-11-25 23:15:24,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:15:24,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:15:24,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:15:24,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:15:24,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:15:22" (1/3) ... [2022-11-25 23:15:24,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ddea90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:24, skipping insertion in model container [2022-11-25 23:15:24,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:23" (2/3) ... [2022-11-25 23:15:24,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ddea90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:24, skipping insertion in model container [2022-11-25 23:15:24,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:24" (3/3) ... [2022-11-25 23:15:24,194 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0513.i [2022-11-25 23:15:24,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:15:24,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-11-25 23:15:24,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:15:24,285 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;@30410ab2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:15:24,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-11-25 23:15:24,290 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) [2022-11-25 23:15:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:24,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:24,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:24,298 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)] === [2022-11-25 23:15:24,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash 7320914, now seen corresponding path program 1 times [2022-11-25 23:15:24,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:24,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929732742] [2022-11-25 23:15:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:24,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:24,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:24,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929732742] [2022-11-25 23:15:24,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929732742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:24,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:24,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:24,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987806598] [2022-11-25 23:15:24,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:24,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:15:24,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:15:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:15:24,510 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) [2022-11-25 23:15:24,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:24,589 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2022-11-25 23:15:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:15:24,592 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 [2022-11-25 23:15:24,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:24,602 INFO L225 Difference]: With dead ends: 111 [2022-11-25 23:15:24,602 INFO L226 Difference]: Without dead ends: 110 [2022-11-25 23:15:24,604 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 [2022-11-25 23:15:24,610 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-11-25 23:15:24,614 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] [2022-11-25 23:15:24,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-25 23:15:24,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-25 23:15:24,680 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) [2022-11-25 23:15:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2022-11-25 23:15:24,683 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 4 [2022-11-25 23:15:24,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:24,684 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2022-11-25 23:15:24,684 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) [2022-11-25 23:15:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-11-25 23:15:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:24,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:24,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:24,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:15:24,686 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)] === [2022-11-25 23:15:24,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:24,687 INFO L85 PathProgramCache]: Analyzing trace with hash 7282819, now seen corresponding path program 1 times [2022-11-25 23:15:24,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:24,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787334048] [2022-11-25 23:15:24,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:24,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:24,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:24,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787334048] [2022-11-25 23:15:24,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787334048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:24,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:24,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:24,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441032592] [2022-11-25 23:15:24,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:24,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:24,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:24,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:24,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:24,851 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) [2022-11-25 23:15:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:25,106 INFO L93 Difference]: Finished difference Result 135 states and 147 transitions. [2022-11-25 23:15:25,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:25,107 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 [2022-11-25 23:15:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:25,112 INFO L225 Difference]: With dead ends: 135 [2022-11-25 23:15:25,115 INFO L226 Difference]: Without dead ends: 135 [2022-11-25 23:15:25,116 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 [2022-11-25 23:15:25,118 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 62 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:25,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 122 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:25,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-25 23:15:25,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2022-11-25 23:15:25,128 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) [2022-11-25 23:15:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2022-11-25 23:15:25,130 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 4 [2022-11-25 23:15:25,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:25,131 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2022-11-25 23:15:25,131 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) [2022-11-25 23:15:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-11-25 23:15:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:25,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:25,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:25,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:15:25,133 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)] === [2022-11-25 23:15:25,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash 7282820, now seen corresponding path program 1 times [2022-11-25 23:15:25,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:25,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18009555] [2022-11-25 23:15:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:25,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18009555] [2022-11-25 23:15:25,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18009555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:25,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:25,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:25,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115620094] [2022-11-25 23:15:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:25,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:25,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:25,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:25,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:25,231 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) [2022-11-25 23:15:25,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:25,336 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2022-11-25 23:15:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:25,337 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 [2022-11-25 23:15:25,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:25,338 INFO L225 Difference]: With dead ends: 108 [2022-11-25 23:15:25,343 INFO L226 Difference]: Without dead ends: 108 [2022-11-25 23:15:25,343 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 [2022-11-25 23:15:25,352 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 [2022-11-25 23:15:25,354 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] [2022-11-25 23:15:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-25 23:15:25,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-11-25 23:15:25,360 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) [2022-11-25 23:15:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2022-11-25 23:15:25,361 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 4 [2022-11-25 23:15:25,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:25,362 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2022-11-25 23:15:25,362 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) [2022-11-25 23:15:25,362 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-11-25 23:15:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:15:25,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:25,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:15:25,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:15:25,364 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)] === [2022-11-25 23:15:25,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:25,364 INFO L85 PathProgramCache]: Analyzing trace with hash 225559209, now seen corresponding path program 1 times [2022-11-25 23:15:25,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:25,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207400483] [2022-11-25 23:15:25,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:25,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:25,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207400483] [2022-11-25 23:15:25,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207400483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:25,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:25,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:15:25,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764942912] [2022-11-25 23:15:25,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:25,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:25,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:25,427 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) [2022-11-25 23:15:25,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:25,548 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2022-11-25 23:15:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:25,549 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 [2022-11-25 23:15:25,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:25,550 INFO L225 Difference]: With dead ends: 149 [2022-11-25 23:15:25,551 INFO L226 Difference]: Without dead ends: 148 [2022-11-25 23:15:25,551 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 [2022-11-25 23:15:25,552 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 [2022-11-25 23:15:25,553 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] [2022-11-25 23:15:25,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-25 23:15:25,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 111. [2022-11-25 23:15:25,559 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) [2022-11-25 23:15:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2022-11-25 23:15:25,561 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 5 [2022-11-25 23:15:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:25,561 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2022-11-25 23:15:25,562 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) [2022-11-25 23:15:25,562 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2022-11-25 23:15:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:15:25,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:25,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:15:25,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:15:25,563 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)] === [2022-11-25 23:15:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:25,564 INFO L85 PathProgramCache]: Analyzing trace with hash 225559133, now seen corresponding path program 1 times [2022-11-25 23:15:25,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:25,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924012724] [2022-11-25 23:15:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:25,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:25,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924012724] [2022-11-25 23:15:25,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924012724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:25,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:25,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:25,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024967100] [2022-11-25 23:15:25,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:25,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:25,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:25,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:25,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:25,600 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) [2022-11-25 23:15:25,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:25,695 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2022-11-25 23:15:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:25,696 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 [2022-11-25 23:15:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:25,697 INFO L225 Difference]: With dead ends: 116 [2022-11-25 23:15:25,697 INFO L226 Difference]: Without dead ends: 115 [2022-11-25 23:15:25,698 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 [2022-11-25 23:15:25,699 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 [2022-11-25 23:15:25,699 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] [2022-11-25 23:15:25,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-25 23:15:25,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2022-11-25 23:15:25,705 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) [2022-11-25 23:15:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2022-11-25 23:15:25,707 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 5 [2022-11-25 23:15:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:25,707 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2022-11-25 23:15:25,707 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) [2022-11-25 23:15:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2022-11-25 23:15:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:15:25,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:25,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:25,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:15:25,709 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)] === [2022-11-25 23:15:25,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:25,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2074891572, now seen corresponding path program 1 times [2022-11-25 23:15:25,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:25,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754746148] [2022-11-25 23:15:25,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:25,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:25,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754746148] [2022-11-25 23:15:25,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754746148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:25,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:25,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:25,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510307561] [2022-11-25 23:15:25,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:25,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:25,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:25,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:25,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:25,785 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) [2022-11-25 23:15:25,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:25,883 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2022-11-25 23:15:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:25,884 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 [2022-11-25 23:15:25,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:25,885 INFO L225 Difference]: With dead ends: 109 [2022-11-25 23:15:25,885 INFO L226 Difference]: Without dead ends: 109 [2022-11-25 23:15:25,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:25,887 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 [2022-11-25 23:15:25,890 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] [2022-11-25 23:15:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-25 23:15:25,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-11-25 23:15:25,906 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) [2022-11-25 23:15:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2022-11-25 23:15:25,907 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 7 [2022-11-25 23:15:25,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:25,907 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2022-11-25 23:15:25,908 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) [2022-11-25 23:15:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-11-25 23:15:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:15:25,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:25,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:25,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:15:25,909 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)] === [2022-11-25 23:15:25,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:25,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2074891571, now seen corresponding path program 1 times [2022-11-25 23:15:25,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:25,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690232145] [2022-11-25 23:15:25,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:26,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:26,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690232145] [2022-11-25 23:15:26,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690232145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:26,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:26,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:26,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436704016] [2022-11-25 23:15:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:26,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:26,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:26,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:26,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:26,008 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) [2022-11-25 23:15:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:26,111 INFO L93 Difference]: Finished difference Result 106 states and 118 transitions. [2022-11-25 23:15:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:26,112 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 [2022-11-25 23:15:26,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:26,113 INFO L225 Difference]: With dead ends: 106 [2022-11-25 23:15:26,113 INFO L226 Difference]: Without dead ends: 106 [2022-11-25 23:15:26,114 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 [2022-11-25 23:15:26,118 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 [2022-11-25 23:15:26,118 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] [2022-11-25 23:15:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-25 23:15:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-11-25 23:15:26,124 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) [2022-11-25 23:15:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2022-11-25 23:15:26,126 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 7 [2022-11-25 23:15:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:26,126 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2022-11-25 23:15:26,127 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) [2022-11-25 23:15:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-11-25 23:15:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:15:26,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:26,128 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:26,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:15:26,129 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)] === [2022-11-25 23:15:26,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash -525717927, now seen corresponding path program 1 times [2022-11-25 23:15:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:26,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650189448] [2022-11-25 23:15:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:26,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:26,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650189448] [2022-11-25 23:15:26,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650189448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:26,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:26,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:15:26,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42554671] [2022-11-25 23:15:26,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:26,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:26,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:26,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:26,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:26,288 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) [2022-11-25 23:15:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:26,517 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2022-11-25 23:15:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:15:26,519 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 [2022-11-25 23:15:26,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:26,520 INFO L225 Difference]: With dead ends: 191 [2022-11-25 23:15:26,521 INFO L226 Difference]: Without dead ends: 191 [2022-11-25 23:15:26,521 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 [2022-11-25 23:15:26,521 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 107 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:26,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 201 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:26,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-25 23:15:26,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 106. [2022-11-25 23:15:26,525 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) [2022-11-25 23:15:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2022-11-25 23:15:26,534 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 12 [2022-11-25 23:15:26,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:26,561 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2022-11-25 23:15:26,561 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) [2022-11-25 23:15:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2022-11-25 23:15:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:15:26,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:26,564 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:26,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:15:26,565 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)] === [2022-11-25 23:15:26,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:26,566 INFO L85 PathProgramCache]: Analyzing trace with hash -525718003, now seen corresponding path program 1 times [2022-11-25 23:15:26,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:26,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26756286] [2022-11-25 23:15:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:26,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:26,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26756286] [2022-11-25 23:15:26,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26756286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:26,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:26,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:26,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266187643] [2022-11-25 23:15:26,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:26,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:26,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:26,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:26,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:26,681 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) [2022-11-25 23:15:26,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:26,823 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2022-11-25 23:15:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:15:26,824 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 [2022-11-25 23:15:26,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:26,825 INFO L225 Difference]: With dead ends: 100 [2022-11-25 23:15:26,825 INFO L226 Difference]: Without dead ends: 100 [2022-11-25 23:15:26,825 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 [2022-11-25 23:15:26,826 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 34 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:26,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 105 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:26,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-25 23:15:26,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2022-11-25 23:15:26,833 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) [2022-11-25 23:15:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2022-11-25 23:15:26,834 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 12 [2022-11-25 23:15:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:26,834 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2022-11-25 23:15:26,834 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) [2022-11-25 23:15:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2022-11-25 23:15:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:15:26,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:26,835 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:26,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:15:26,836 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)] === [2022-11-25 23:15:26,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:26,837 INFO L85 PathProgramCache]: Analyzing trace with hash -525718002, now seen corresponding path program 1 times [2022-11-25 23:15:26,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:26,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717887146] [2022-11-25 23:15:26,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:26,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:26,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717887146] [2022-11-25 23:15:26,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717887146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:26,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:26,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:26,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288596313] [2022-11-25 23:15:26,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:26,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:26,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:26,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:26,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:26,962 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) [2022-11-25 23:15:27,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:27,168 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2022-11-25 23:15:27,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:27,169 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 [2022-11-25 23:15:27,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:27,170 INFO L225 Difference]: With dead ends: 166 [2022-11-25 23:15:27,170 INFO L226 Difference]: Without dead ends: 166 [2022-11-25 23:15:27,170 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 [2022-11-25 23:15:27,171 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 [2022-11-25 23:15:27,171 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] [2022-11-25 23:15:27,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-25 23:15:27,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2022-11-25 23:15:27,175 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) [2022-11-25 23:15:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 170 transitions. [2022-11-25 23:15:27,176 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 170 transitions. Word has length 12 [2022-11-25 23:15:27,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:27,176 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 170 transitions. [2022-11-25 23:15:27,176 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) [2022-11-25 23:15:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2022-11-25 23:15:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:15:27,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:27,177 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:27,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:15:27,178 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)] === [2022-11-25 23:15:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash 78541249, now seen corresponding path program 1 times [2022-11-25 23:15:27,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:27,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422804323] [2022-11-25 23:15:27,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:27,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:27,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:27,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422804323] [2022-11-25 23:15:27,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422804323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:27,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:27,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:15:27,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106575858] [2022-11-25 23:15:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:27,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:27,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:27,261 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) [2022-11-25 23:15:27,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:27,422 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2022-11-25 23:15:27,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:15:27,422 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 [2022-11-25 23:15:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:27,423 INFO L225 Difference]: With dead ends: 166 [2022-11-25 23:15:27,424 INFO L226 Difference]: Without dead ends: 166 [2022-11-25 23:15:27,424 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 [2022-11-25 23:15:27,425 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 188 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:27,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 166 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-25 23:15:27,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 128. [2022-11-25 23:15:27,431 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) [2022-11-25 23:15:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2022-11-25 23:15:27,432 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 16 [2022-11-25 23:15:27,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:27,432 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2022-11-25 23:15:27,432 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) [2022-11-25 23:15:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2022-11-25 23:15:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:15:27,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:27,433 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:27,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:15:27,433 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)] === [2022-11-25 23:15:27,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:27,434 INFO L85 PathProgramCache]: Analyzing trace with hash 78602504, now seen corresponding path program 1 times [2022-11-25 23:15:27,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:27,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315772854] [2022-11-25 23:15:27,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:27,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:27,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:27,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315772854] [2022-11-25 23:15:27,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315772854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:27,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:27,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:15:27,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354348928] [2022-11-25 23:15:27,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:27,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:27,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:27,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:27,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:27,710 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) [2022-11-25 23:15:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:27,886 INFO L93 Difference]: Finished difference Result 151 states and 195 transitions. [2022-11-25 23:15:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:27,887 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 [2022-11-25 23:15:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:27,887 INFO L225 Difference]: With dead ends: 151 [2022-11-25 23:15:27,888 INFO L226 Difference]: Without dead ends: 151 [2022-11-25 23:15:27,888 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 [2022-11-25 23:15:27,888 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 19 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:27,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 209 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-25 23:15:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 134. [2022-11-25 23:15:27,892 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) [2022-11-25 23:15:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 178 transitions. [2022-11-25 23:15:27,892 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 178 transitions. Word has length 16 [2022-11-25 23:15:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:27,892 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 178 transitions. [2022-11-25 23:15:27,893 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) [2022-11-25 23:15:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2022-11-25 23:15:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:15:27,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:27,893 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:27,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:15:27,893 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)] === [2022-11-25 23:15:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash -934620265, now seen corresponding path program 1 times [2022-11-25 23:15:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:27,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293287438] [2022-11-25 23:15:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:28,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293287438] [2022-11-25 23:15:28,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293287438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:28,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:28,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 23:15:28,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097192362] [2022-11-25 23:15:28,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:28,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:15:28,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:28,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:15:28,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:15:28,273 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) [2022-11-25 23:15:28,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:28,481 INFO L93 Difference]: Finished difference Result 161 states and 205 transitions. [2022-11-25 23:15:28,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:15:28,482 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 [2022-11-25 23:15:28,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:28,482 INFO L225 Difference]: With dead ends: 161 [2022-11-25 23:15:28,483 INFO L226 Difference]: Without dead ends: 161 [2022-11-25 23:15:28,483 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 [2022-11-25 23:15:28,483 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 45 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:28,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 212 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-25 23:15:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 139. [2022-11-25 23:15:28,487 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) [2022-11-25 23:15:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2022-11-25 23:15:28,488 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 19 [2022-11-25 23:15:28,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:28,488 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2022-11-25 23:15:28,489 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) [2022-11-25 23:15:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2022-11-25 23:15:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:15:28,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:28,491 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:28,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:15:28,491 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)] === [2022-11-25 23:15:28,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:28,492 INFO L85 PathProgramCache]: Analyzing trace with hash -934621519, now seen corresponding path program 1 times [2022-11-25 23:15:28,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:28,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141626866] [2022-11-25 23:15:28,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:28,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:28,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141626866] [2022-11-25 23:15:28,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141626866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:28,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:28,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 23:15:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961133357] [2022-11-25 23:15:28,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:28,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:15:28,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:15:28,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:15:28,964 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) [2022-11-25 23:15:29,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:29,392 INFO L93 Difference]: Finished difference Result 178 states and 229 transitions. [2022-11-25 23:15:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:15:29,393 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 [2022-11-25 23:15:29,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:29,394 INFO L225 Difference]: With dead ends: 178 [2022-11-25 23:15:29,394 INFO L226 Difference]: Without dead ends: 178 [2022-11-25 23:15:29,394 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 [2022-11-25 23:15:29,395 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 88 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:29,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 281 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:15:29,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-25 23:15:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 140. [2022-11-25 23:15:29,399 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) [2022-11-25 23:15:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 185 transitions. [2022-11-25 23:15:29,399 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 185 transitions. Word has length 19 [2022-11-25 23:15:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:29,400 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 185 transitions. [2022-11-25 23:15:29,400 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) [2022-11-25 23:15:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 185 transitions. [2022-11-25 23:15:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:15:29,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:29,401 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:29,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:15:29,401 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)] === [2022-11-25 23:15:29,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:29,401 INFO L85 PathProgramCache]: Analyzing trace with hash -934621518, now seen corresponding path program 1 times [2022-11-25 23:15:29,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:29,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819852979] [2022-11-25 23:15:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:29,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:29,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:29,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819852979] [2022-11-25 23:15:29,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819852979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:29,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:29,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 23:15:29,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468493343] [2022-11-25 23:15:29,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:29,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:15:29,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:29,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:15:29,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:15:29,830 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) [2022-11-25 23:15:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:30,114 INFO L93 Difference]: Finished difference Result 159 states and 203 transitions. [2022-11-25 23:15:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:15:30,115 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 [2022-11-25 23:15:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:30,116 INFO L225 Difference]: With dead ends: 159 [2022-11-25 23:15:30,116 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 23:15:30,116 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 [2022-11-25 23:15:30,117 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 53 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:30,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 134 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:30,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 23:15:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2022-11-25 23:15:30,120 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) [2022-11-25 23:15:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-11-25 23:15:30,121 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 19 [2022-11-25 23:15:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:30,121 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-11-25 23:15:30,121 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) [2022-11-25 23:15:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-11-25 23:15:30,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:15:30,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:30,122 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:30,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:15:30,122 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)] === [2022-11-25 23:15:30,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:30,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1091504825, now seen corresponding path program 1 times [2022-11-25 23:15:30,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:30,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357175647] [2022-11-25 23:15:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:30,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:30,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:30,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357175647] [2022-11-25 23:15:30,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357175647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:30,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:30,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 23:15:30,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774988230] [2022-11-25 23:15:30,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:30,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:15:30,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:30,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:15:30,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:15:30,373 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) [2022-11-25 23:15:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:30,638 INFO L93 Difference]: Finished difference Result 182 states and 228 transitions. [2022-11-25 23:15:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:15:30,639 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 [2022-11-25 23:15:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:30,640 INFO L225 Difference]: With dead ends: 182 [2022-11-25 23:15:30,640 INFO L226 Difference]: Without dead ends: 182 [2022-11-25 23:15:30,640 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 [2022-11-25 23:15:30,641 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 145 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:30,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 251 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:30,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-25 23:15:30,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 141. [2022-11-25 23:15:30,644 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) [2022-11-25 23:15:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2022-11-25 23:15:30,645 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 20 [2022-11-25 23:15:30,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:30,645 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2022-11-25 23:15:30,645 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) [2022-11-25 23:15:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2022-11-25 23:15:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 23:15:30,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:30,646 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] [2022-11-25 23:15:30,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:15:30,647 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)] === [2022-11-25 23:15:30,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:30,647 INFO L85 PathProgramCache]: Analyzing trace with hash -523088569, now seen corresponding path program 1 times [2022-11-25 23:15:30,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:30,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262021233] [2022-11-25 23:15:30,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:30,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:30,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262021233] [2022-11-25 23:15:30,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262021233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:30,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:30,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 23:15:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247260368] [2022-11-25 23:15:30,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:30,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 23:15:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:30,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 23:15:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:15:30,951 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) [2022-11-25 23:15:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:31,248 INFO L93 Difference]: Finished difference Result 164 states and 208 transitions. [2022-11-25 23:15:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:15:31,249 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 [2022-11-25 23:15:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:31,250 INFO L225 Difference]: With dead ends: 164 [2022-11-25 23:15:31,250 INFO L226 Difference]: Without dead ends: 164 [2022-11-25 23:15:31,250 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 [2022-11-25 23:15:31,251 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 48 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:31,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 283 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:31,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-25 23:15:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 142. [2022-11-25 23:15:31,254 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) [2022-11-25 23:15:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 186 transitions. [2022-11-25 23:15:31,255 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 186 transitions. Word has length 21 [2022-11-25 23:15:31,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:31,255 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 186 transitions. [2022-11-25 23:15:31,255 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) [2022-11-25 23:15:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 186 transitions. [2022-11-25 23:15:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:15:31,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:31,256 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] [2022-11-25 23:15:31,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 23:15:31,256 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)] === [2022-11-25 23:15:31,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:31,257 INFO L85 PathProgramCache]: Analyzing trace with hash 964123771, now seen corresponding path program 1 times [2022-11-25 23:15:31,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:31,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217910429] [2022-11-25 23:15:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:31,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:15:31,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:31,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217910429] [2022-11-25 23:15:31,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217910429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:31,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:31,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:31,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321880729] [2022-11-25 23:15:31,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:31,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:31,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:31,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:31,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:31,307 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) [2022-11-25 23:15:31,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:31,470 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2022-11-25 23:15:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:31,471 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 [2022-11-25 23:15:31,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:31,472 INFO L225 Difference]: With dead ends: 203 [2022-11-25 23:15:31,472 INFO L226 Difference]: Without dead ends: 203 [2022-11-25 23:15:31,473 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 [2022-11-25 23:15:31,473 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 [2022-11-25 23:15:31,473 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] [2022-11-25 23:15:31,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-11-25 23:15:31,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 146. [2022-11-25 23:15:31,477 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) [2022-11-25 23:15:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 197 transitions. [2022-11-25 23:15:31,478 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 197 transitions. Word has length 22 [2022-11-25 23:15:31,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:31,478 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 197 transitions. [2022-11-25 23:15:31,479 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) [2022-11-25 23:15:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2022-11-25 23:15:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:15:31,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:31,481 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] [2022-11-25 23:15:31,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 23:15:31,482 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)] === [2022-11-25 23:15:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:31,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1189983836, now seen corresponding path program 1 times [2022-11-25 23:15:31,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:31,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505499049] [2022-11-25 23:15:31,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:31,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505499049] [2022-11-25 23:15:31,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505499049] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948554565] [2022-11-25 23:15:31,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:31,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:31,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:31,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:31,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:15:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:32,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-25 23:15:32,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:32,201 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:15:32,202 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 [2022-11-25 23:15:32,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:15:32,452 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:32,453 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 [2022-11-25 23:15:32,592 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:15:32,593 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 [2022-11-25 23:15:32,759 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 [2022-11-25 23:15:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-25 23:15:32,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:32,882 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 [2022-11-25 23:15:32,937 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 [2022-11-25 23:15:35,017 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 [2022-11-25 23:15:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-25 23:15:45,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948554565] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:45,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1831639743] [2022-11-25 23:15:45,509 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-25 23:15:45,509 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:45,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:45,518 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:45,519 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,610 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 [2022-11-25 23:15:45,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:15:45,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:15:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,657 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 [2022-11-25 23:15:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,688 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 [2022-11-25 23:15:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,704 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 [2022-11-25 23:15:45,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,723 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 [2022-11-25 23:15:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,738 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 [2022-11-25 23:15:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,777 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 [2022-11-25 23:15:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,810 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 [2022-11-25 23:15:45,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,835 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 [2022-11-25 23:15:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:45,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:45,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,929 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 [2022-11-25 23:15:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,016 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 [2022-11-25 23:15:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,095 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:15:46,096 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 [2022-11-25 23:15:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,123 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 [2022-11-25 23:15:46,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,152 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 [2022-11-25 23:15:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:46,246 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:15:46,246 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 [2022-11-25 23:15:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,280 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 [2022-11-25 23:15:46,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,328 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 [2022-11-25 23:15:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,367 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 [2022-11-25 23:15:46,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,485 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 [2022-11-25 23:15:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,501 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 [2022-11-25 23:15:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,520 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 [2022-11-25 23:15:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,589 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 30 treesize of output 32 [2022-11-25 23:15:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,609 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 [2022-11-25 23:15:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,677 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 [2022-11-25 23:15:46,741 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:15:46,742 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 [2022-11-25 23:15:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,765 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 [2022-11-25 23:15:46,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,788 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 [2022-11-25 23:15:46,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:46,873 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:15:46,873 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 [2022-11-25 23:15:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,902 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 [2022-11-25 23:15:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:46,955 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 [2022-11-25 23:15:47,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,007 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 [2022-11-25 23:15:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,082 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 [2022-11-25 23:15:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,101 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 [2022-11-25 23:15:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,114 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 [2022-11-25 23:15:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,160 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 [2022-11-25 23:15:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:15:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,706 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 [2022-11-25 23:15:47,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:47,821 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:15:47,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 322 treesize of output 294 [2022-11-25 23:15:47,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:47,886 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-25 23:15:47,886 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 [2022-11-25 23:15:47,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:47,927 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-25 23:15:47,927 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 [2022-11-25 23:15:48,062 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:54,519 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 [2022-11-25 23:15:54,520 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:15:54,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:15:54,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2022-11-25 23:15:54,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811852970] [2022-11-25 23:15:54,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:15:54,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 23:15:54,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:54,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 23:15:54,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1237, Unknown=5, NotChecked=222, Total=1640 [2022-11-25 23:15:54,523 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) [2022-11-25 23:15:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:55,758 INFO L93 Difference]: Finished difference Result 157 states and 208 transitions. [2022-11-25 23:15:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:15:55,758 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 [2022-11-25 23:15:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:55,759 INFO L225 Difference]: With dead ends: 157 [2022-11-25 23:15:55,759 INFO L226 Difference]: Without dead ends: 156 [2022-11-25 23:15:55,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 34 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=252, Invalid=1647, Unknown=5, NotChecked=258, Total=2162 [2022-11-25 23:15:55,761 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 60 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 282 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:55,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 437 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 672 Invalid, 0 Unknown, 282 Unchecked, 0.8s Time] [2022-11-25 23:15:55,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-25 23:15:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2022-11-25 23:15:55,765 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) [2022-11-25 23:15:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 199 transitions. [2022-11-25 23:15:55,766 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 199 transitions. Word has length 24 [2022-11-25 23:15:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:55,766 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 199 transitions. [2022-11-25 23:15:55,767 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) [2022-11-25 23:15:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 199 transitions. [2022-11-25 23:15:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:15:55,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:55,771 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] [2022-11-25 23:15:55,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:55,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:55,972 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)] === [2022-11-25 23:15:55,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:55,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1189985090, now seen corresponding path program 1 times [2022-11-25 23:15:55,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:55,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246287182] [2022-11-25 23:15:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:56,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:56,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246287182] [2022-11-25 23:15:56,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246287182] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:56,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169320294] [2022-11-25 23:15:56,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:56,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:56,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:56,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:56,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:15:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:56,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-25 23:15:56,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:56,855 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 [2022-11-25 23:15:56,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:15:56,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:15:56,929 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:15:56,939 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:15:56,940 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 [2022-11-25 23:15:56,948 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 [2022-11-25 23:15:57,012 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:15:57,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 23:15:57,070 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:15:57,077 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:15:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:57,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:57,415 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2022-11-25 23:15:57,415 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 [2022-11-25 23:15:57,428 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:57,428 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 [2022-11-25 23:15:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:57,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:58,244 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~lItem~0#1.offset|) |c_ULTIMATE.start_main_~item~0#1.base|)))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~data~0#1.base|))) (and (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int) (v_ArrVal_488 (Array Int Int))) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488) (select .cse0 (+ 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|)))))) (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (= (select (select .cse1 (select .cse0 (+ 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|)))) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0))))))) is different from false [2022-11-25 23:15:58,287 INFO L321 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-11-25 23:15:58,287 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 [2022-11-25 23:15:58,380 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 [2022-11-25 23:15:58,475 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 [2022-11-25 23:15:58,977 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:58,978 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:15:58,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:58,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:58,993 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 [2022-11-25 23:15:59,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:59,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,004 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 [2022-11-25 23:15:59,045 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:59,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2022-11-25 23:15:59,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:59,068 INFO L321 Elim1Store]: treesize reduction 16, result has 42.9 percent of original size [2022-11-25 23:15:59,069 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 [2022-11-25 23:15:59,077 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 [2022-11-25 23:15:59,102 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:59,102 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:15:59,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:59,112 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 23:15:59,113 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 [2022-11-25 23:15:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:59,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169320294] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:59,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1984080150] [2022-11-25 23:15:59,221 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-25 23:15:59,221 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:59,222 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:59,222 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:59,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,249 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 [2022-11-25 23:15:59,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:15:59,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,276 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 [2022-11-25 23:15:59,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:15:59,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-25 23:15:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,323 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 [2022-11-25 23:15:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,334 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 [2022-11-25 23:15:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,344 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 [2022-11-25 23:15:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,368 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 [2022-11-25 23:15:59,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,383 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 [2022-11-25 23:15:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,399 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 [2022-11-25 23:15:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:59,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,445 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 [2022-11-25 23:15:59,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,527 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 [2022-11-25 23:15:59,582 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:15:59,583 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 [2022-11-25 23:15:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,602 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 [2022-11-25 23:15:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,620 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 [2022-11-25 23:15:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:59,697 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:15:59,697 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 [2022-11-25 23:15:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,723 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 [2022-11-25 23:15:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,744 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 [2022-11-25 23:15:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,791 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 [2022-11-25 23:15:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,854 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 [2022-11-25 23:15:59,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,868 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 [2022-11-25 23:15:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,881 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 [2022-11-25 23:15:59,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,927 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 [2022-11-25 23:15:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:15:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,992 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 [2022-11-25 23:16:00,048 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:00,049 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 [2022-11-25 23:16:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,070 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 [2022-11-25 23:16:00,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,089 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 [2022-11-25 23:16:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,170 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:16:00,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-25 23:16:00,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,220 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 [2022-11-25 23:16:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,243 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 52 treesize of output 49 [2022-11-25 23:16:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,272 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 [2022-11-25 23:16:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,327 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 [2022-11-25 23:16:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,339 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 [2022-11-25 23:16:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,354 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 [2022-11-25 23:16:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,406 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 [2022-11-25 23:16:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,854 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 [2022-11-25 23:16:00,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,979 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:16:00,979 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 [2022-11-25 23:16:01,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,021 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-25 23:16:01,022 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 [2022-11-25 23:16:01,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:01,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:01,074 INFO L321 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2022-11-25 23:16:01,074 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 [2022-11-25 23:16:01,140 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:07,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1984080150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:07,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:07,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13, 13, 13] total 46 [2022-11-25 23:16:07,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815907152] [2022-11-25 23:16:07,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:07,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 23:16:07,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:07,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 23:16:07,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1586, Unknown=3, NotChecked=170, Total=2070 [2022-11-25 23:16:07,261 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) [2022-11-25 23:16:10,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:10,389 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-11-25 23:16:10,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 23:16:10,390 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 [2022-11-25 23:16:10,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:10,391 INFO L225 Difference]: With dead ends: 161 [2022-11-25 23:16:10,391 INFO L226 Difference]: Without dead ends: 161 [2022-11-25 23:16:10,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=359, Invalid=1808, Unknown=3, NotChecked=182, Total=2352 [2022-11-25 23:16:10,392 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 10 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:10,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 153 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:16:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-25 23:16:10,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-11-25 23:16:10,396 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) [2022-11-25 23:16:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2022-11-25 23:16:10,397 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 205 transitions. Word has length 24 [2022-11-25 23:16:10,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:10,398 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 205 transitions. [2022-11-25 23:16:10,398 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) [2022-11-25 23:16:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2022-11-25 23:16:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:16:10,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:10,399 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:10,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:10,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:10,604 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)] === [2022-11-25 23:16:10,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:10,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1162096688, now seen corresponding path program 1 times [2022-11-25 23:16:10,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:10,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982086777] [2022-11-25 23:16:10,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:11,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:11,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982086777] [2022-11-25 23:16:11,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982086777] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:11,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742923726] [2022-11-25 23:16:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:11,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:11,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:11,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:11,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:16:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:11,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-25 23:16:11,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:11,397 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 [2022-11-25 23:16:11,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:11,471 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 11 treesize of output 7 [2022-11-25 23:16:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:11,517 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:11,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-25 23:16:11,686 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 [2022-11-25 23:16:11,690 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 [2022-11-25 23:16:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:11,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:16:11,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742923726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:11,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:16:11,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 18 [2022-11-25 23:16:11,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298986802] [2022-11-25 23:16:11,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:11,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:16:11,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:11,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:16:11,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:16:11,717 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) [2022-11-25 23:16:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:12,246 INFO L93 Difference]: Finished difference Result 185 states and 214 transitions. [2022-11-25 23:16:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:16:12,247 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 [2022-11-25 23:16:12,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:12,248 INFO L225 Difference]: With dead ends: 185 [2022-11-25 23:16:12,248 INFO L226 Difference]: Without dead ends: 185 [2022-11-25 23:16:12,248 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 [2022-11-25 23:16:12,249 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 239 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:12,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 237 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:16:12,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-11-25 23:16:12,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2022-11-25 23:16:12,252 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) [2022-11-25 23:16:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 202 transitions. [2022-11-25 23:16:12,253 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 202 transitions. Word has length 25 [2022-11-25 23:16:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:12,253 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 202 transitions. [2022-11-25 23:16:12,253 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) [2022-11-25 23:16:12,253 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 202 transitions. [2022-11-25 23:16:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:16:12,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:12,254 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:12,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:12,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-25 23:16:12,455 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)] === [2022-11-25 23:16:12,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:12,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1162096687, now seen corresponding path program 1 times [2022-11-25 23:16:12,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:12,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886370650] [2022-11-25 23:16:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:12,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:12,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:12,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886370650] [2022-11-25 23:16:12,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886370650] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:12,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002182477] [2022-11-25 23:16:12,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:12,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:12,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:12,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:12,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:16:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:13,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-25 23:16:13,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:13,117 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 [2022-11-25 23:16:13,170 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:16:13,171 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 [2022-11-25 23:16:13,194 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:16:13,195 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 [2022-11-25 23:16:13,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:13,286 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:16:13,286 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 [2022-11-25 23:16:13,354 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 [2022-11-25 23:16:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:13,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:16:13,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002182477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:13,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:16:13,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2022-11-25 23:16:13,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689611115] [2022-11-25 23:16:13,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:13,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:16:13,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:13,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:16:13,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:16:13,386 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) [2022-11-25 23:16:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:13,771 INFO L93 Difference]: Finished difference Result 172 states and 201 transitions. [2022-11-25 23:16:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:16:13,773 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 [2022-11-25 23:16:13,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:13,774 INFO L225 Difference]: With dead ends: 172 [2022-11-25 23:16:13,774 INFO L226 Difference]: Without dead ends: 172 [2022-11-25 23:16:13,775 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 [2022-11-25 23:16:13,775 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 91 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:13,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 191 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:16:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-25 23:16:13,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2022-11-25 23:16:13,779 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) [2022-11-25 23:16:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 199 transitions. [2022-11-25 23:16:13,780 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 199 transitions. Word has length 25 [2022-11-25 23:16:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:13,780 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 199 transitions. [2022-11-25 23:16:13,780 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) [2022-11-25 23:16:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2022-11-25 23:16:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:16:13,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:13,781 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] [2022-11-25 23:16:13,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:13,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-25 23:16:13,981 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)] === [2022-11-25 23:16:13,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:13,982 INFO L85 PathProgramCache]: Analyzing trace with hash 761385839, now seen corresponding path program 1 times [2022-11-25 23:16:13,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:13,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679956891] [2022-11-25 23:16:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:13,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:14,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:14,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679956891] [2022-11-25 23:16:14,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679956891] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:14,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312958282] [2022-11-25 23:16:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:14,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:14,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:14,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:14,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:16:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:14,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-25 23:16:14,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:14,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:14,530 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-25 23:16:14,530 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:14,690 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-11-25 23:16:14,691 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 [2022-11-25 23:16:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:16:14,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:16:14,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312958282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:14,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:16:14,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2022-11-25 23:16:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73203734] [2022-11-25 23:16:14,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:14,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:16:14,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:14,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:16:14,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:16:14,733 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) [2022-11-25 23:16:15,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:15,142 INFO L93 Difference]: Finished difference Result 169 states and 215 transitions. [2022-11-25 23:16:15,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:16:15,143 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 [2022-11-25 23:16:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:15,144 INFO L225 Difference]: With dead ends: 169 [2022-11-25 23:16:15,144 INFO L226 Difference]: Without dead ends: 169 [2022-11-25 23:16:15,145 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 [2022-11-25 23:16:15,145 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 37 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:15,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 352 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:16:15,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-25 23:16:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 155. [2022-11-25 23:16:15,149 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) [2022-11-25 23:16:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2022-11-25 23:16:15,149 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 28 [2022-11-25 23:16:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:15,149 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-11-25 23:16:15,150 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) [2022-11-25 23:16:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2022-11-25 23:16:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:16:15,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:15,150 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] [2022-11-25 23:16:15,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:15,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-25 23:16:15,361 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)] === [2022-11-25 23:16:15,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash 761384585, now seen corresponding path program 1 times [2022-11-25 23:16:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:15,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138102942] [2022-11-25 23:16:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:15,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:15,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:15,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138102942] [2022-11-25 23:16:15,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138102942] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:15,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501656375] [2022-11-25 23:16:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:15,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:15,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:15,598 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:15,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:16:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:15,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 23:16:15,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:15,779 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 [2022-11-25 23:16:15,802 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:16:15,803 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 [2022-11-25 23:16:15,814 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:16:15,814 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 [2022-11-25 23:16:15,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:15,850 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:16:15,850 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 [2022-11-25 23:16:15,861 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 [2022-11-25 23:16:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:15,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:15,900 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:15,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2022-11-25 23:16:15,902 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 [2022-11-25 23:16:15,906 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 [2022-11-25 23:16:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:15,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501656375] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:15,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1722745411] [2022-11-25 23:16:15,963 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-25 23:16:15,964 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:15,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:15,965 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:15,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:15,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,996 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 [2022-11-25 23:16:16,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:16,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,043 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 [2022-11-25 23:16:16,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,069 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 [2022-11-25 23:16:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,080 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 [2022-11-25 23:16:16,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,089 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 [2022-11-25 23:16:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,106 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 [2022-11-25 23:16:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,135 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 [2022-11-25 23:16:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,147 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 19 treesize of output 18 [2022-11-25 23:16:16,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,159 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 [2022-11-25 23:16:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:16,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,207 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 [2022-11-25 23:16:16,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:16,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,274 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 [2022-11-25 23:16:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,334 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:16,334 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 [2022-11-25 23:16:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,353 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 [2022-11-25 23:16:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,373 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 [2022-11-25 23:16:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:16,443 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:16:16,443 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 [2022-11-25 23:16:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,467 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 [2022-11-25 23:16:16,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,489 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 [2022-11-25 23:16:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,531 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 [2022-11-25 23:16:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,597 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 [2022-11-25 23:16:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,608 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 [2022-11-25 23:16:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,623 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 [2022-11-25 23:16:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,671 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 [2022-11-25 23:16:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,737 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 [2022-11-25 23:16:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,812 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:16,812 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 [2022-11-25 23:16:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,833 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 [2022-11-25 23:16:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,854 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 [2022-11-25 23:16:16,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:16,918 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:16:16,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-25 23:16:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,944 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 [2022-11-25 23:16:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,964 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 [2022-11-25 23:16:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,007 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 [2022-11-25 23:16:17,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,167 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:16:17,168 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 [2022-11-25 23:16:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,229 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:16:17,229 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 [2022-11-25 23:16:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,297 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 23:16:17,297 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 [2022-11-25 23:16:17,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,443 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:16:17,447 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 [2022-11-25 23:16:17,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,494 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:16:17,495 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 [2022-11-25 23:16:17,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,571 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-11-25 23:16:17,572 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 [2022-11-25 23:16:17,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,703 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-25 23:16:17,704 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 [2022-11-25 23:16:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,829 INFO L321 Elim1Store]: treesize reduction 280, result has 14.6 percent of original size [2022-11-25 23:16:17,830 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 [2022-11-25 23:16:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:17,904 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-25 23:16:17,904 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 [2022-11-25 23:16:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,188 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-25 23:16:18,188 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 [2022-11-25 23:16:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,450 INFO L321 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2022-11-25 23:16:18,451 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 [2022-11-25 23:16:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,625 INFO L321 Elim1Store]: treesize reduction 356, result has 12.3 percent of original size [2022-11-25 23:16:18,625 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 [2022-11-25 23:16:18,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,685 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:16:18,686 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 [2022-11-25 23:16:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,940 INFO L321 Elim1Store]: treesize reduction 226, result has 11.7 percent of original size [2022-11-25 23:16:18,941 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 [2022-11-25 23:16:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:18,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:18,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:19,121 INFO L321 Elim1Store]: treesize reduction 426, result has 8.4 percent of original size [2022-11-25 23:16:19,122 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 [2022-11-25 23:16:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:19,375 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-25 23:16:19,376 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 [2022-11-25 23:16:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:19,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:19,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:19,456 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-25 23:16:19,456 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 [2022-11-25 23:16:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:19,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:19,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:19,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,061 INFO L321 Elim1Store]: treesize reduction 394, result has 11.9 percent of original size [2022-11-25 23:16:20,062 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 [2022-11-25 23:16:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:20,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,255 INFO L321 Elim1Store]: treesize reduction 438, result has 11.5 percent of original size [2022-11-25 23:16:20,255 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 [2022-11-25 23:16:20,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:20,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,398 INFO L321 Elim1Store]: treesize reduction 322, result has 12.3 percent of original size [2022-11-25 23:16:20,398 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 [2022-11-25 23:16:20,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,876 INFO L321 Elim1Store]: treesize reduction 452, result has 12.6 percent of original size [2022-11-25 23:16:20,877 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 [2022-11-25 23:16:20,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:20,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,269 INFO L321 Elim1Store]: treesize reduction 440, result has 10.0 percent of original size [2022-11-25 23:16:21,270 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 [2022-11-25 23:16:21,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:21,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,454 INFO L321 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2022-11-25 23:16:21,455 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 [2022-11-25 23:16:21,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:21,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:21,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:22,106 INFO L321 Elim1Store]: treesize reduction 248, result has 8.8 percent of original size [2022-11-25 23:16:22,106 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 [2022-11-25 23:16:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:22,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:22,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:22,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:22,750 INFO L321 Elim1Store]: treesize reduction 542, result has 11.3 percent of original size [2022-11-25 23:16:22,751 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 [2022-11-25 23:16:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:22,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:22,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:22,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:22,982 INFO L321 Elim1Store]: treesize reduction 546, result has 14.4 percent of original size [2022-11-25 23:16:22,982 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 [2022-11-25 23:16:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,844 INFO L321 Elim1Store]: treesize reduction 808, result has 8.9 percent of original size [2022-11-25 23:16:23,844 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 [2022-11-25 23:16:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,476 INFO L321 Elim1Store]: treesize reduction 392, result has 10.7 percent of original size [2022-11-25 23:16:24,477 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 [2022-11-25 23:16:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:26,036 INFO L321 Elim1Store]: treesize reduction 626, result has 9.3 percent of original size [2022-11-25 23:16:26,037 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 [2022-11-25 23:16:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:26,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:26,315 INFO L321 Elim1Store]: treesize reduction 392, result has 11.1 percent of original size [2022-11-25 23:16:26,315 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 [2022-11-25 23:16:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:26,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:26,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:26,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:26,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:26,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:27,116 INFO L321 Elim1Store]: treesize reduction 474, result has 8.5 percent of original size [2022-11-25 23:16:27,117 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 [2022-11-25 23:16:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:27,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:27,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:27,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:28,158 INFO L321 Elim1Store]: treesize reduction 732, result has 6.8 percent of original size [2022-11-25 23:16:28,159 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 [2022-11-25 23:16:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:28,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:28,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:28,778 INFO L321 Elim1Store]: treesize reduction 472, result has 16.3 percent of original size [2022-11-25 23:16:28,779 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 [2022-11-25 23:16:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:29,679 INFO L321 Elim1Store]: treesize reduction 964, result has 8.8 percent of original size [2022-11-25 23:16:29,680 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 [2022-11-25 23:16:30,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:30,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:30,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:16:30,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:30,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:30,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:16:30,181 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:30,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:30,198 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:30,242 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:16:30,242 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 [2022-11-25 23:16:30,255 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:16:30,255 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 [2022-11-25 23:16:30,277 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 [2022-11-25 23:16:30,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2022-11-25 23:16:30,305 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:30,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:16:30,337 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 [2022-11-25 23:16:30,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,352 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 [2022-11-25 23:16:30,408 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:16:30,409 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 [2022-11-25 23:16:30,426 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:16:30,427 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 [2022-11-25 23:16:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,448 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:30,449 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 [2022-11-25 23:16:30,482 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 [2022-11-25 23:16:30,498 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:30,499 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 [2022-11-25 23:16:30,516 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 [2022-11-25 23:16:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,557 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 [2022-11-25 23:16:30,572 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 [2022-11-25 23:16:30,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,588 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:30,588 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 [2022-11-25 23:16:30,650 INFO L321 Elim1Store]: treesize reduction 76, result has 30.9 percent of original size [2022-11-25 23:16:30,650 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 [2022-11-25 23:16:30,726 INFO L321 Elim1Store]: treesize reduction 96, result has 33.3 percent of original size [2022-11-25 23:16:30,726 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 [2022-11-25 23:16:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,791 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:16:30,791 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 [2022-11-25 23:16:30,807 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 [2022-11-25 23:16:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,827 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:30,828 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 [2022-11-25 23:16:30,870 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 [2022-11-25 23:16:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,918 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:30,918 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 [2022-11-25 23:16:30,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:30,945 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:16:30,945 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 [2022-11-25 23:16:31,044 INFO L321 Elim1Store]: treesize reduction 114, result has 33.3 percent of original size [2022-11-25 23:16:31,044 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 [2022-11-25 23:16:31,068 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:16:31,069 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 [2022-11-25 23:16:31,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:31,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:31,123 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 15 treesize of output 1 [2022-11-25 23:16:31,130 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 11 treesize of output 7 [2022-11-25 23:16:31,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:31,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:31,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-11-25 23:16:31,180 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:16:31,181 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 [2022-11-25 23:16:31,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:31,258 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:16:31,259 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 [2022-11-25 23:16:31,277 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:16:31,277 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 [2022-11-25 23:16:31,309 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 [2022-11-25 23:16:31,321 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:16:31,322 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 [2022-11-25 23:16:31,332 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 [2022-11-25 23:16:31,346 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 [2022-11-25 23:16:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:31,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 51 [2022-11-25 23:16:31,421 INFO L321 Elim1Store]: treesize reduction 42, result has 51.2 percent of original size [2022-11-25 23:16:31,421 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 [2022-11-25 23:16:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:31,437 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:16:31,438 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 [2022-11-25 23:16:31,520 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:16:31,520 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 [2022-11-25 23:16:31,562 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:31,562 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 [2022-11-25 23:16:31,571 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 [2022-11-25 23:16:31,585 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 [2022-11-25 23:16:31,619 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 [2022-11-25 23:16:31,633 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 [2022-11-25 23:16:31,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:31,648 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 [2022-11-25 23:16:31,728 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-11-25 23:16:31,729 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 [2022-11-25 23:16:31,747 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:16:31,748 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 [2022-11-25 23:16:31,787 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:31,788 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 [2022-11-25 23:16:31,818 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:16:31,819 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 [2022-11-25 23:16:31,838 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 [2022-11-25 23:16:31,881 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 [2022-11-25 23:16:31,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:31,910 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:16:31,911 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 [2022-11-25 23:16:32,001 INFO L321 Elim1Store]: treesize reduction 84, result has 30.6 percent of original size [2022-11-25 23:16:32,002 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 [2022-11-25 23:16:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:32,031 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:32,032 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 [2022-11-25 23:16:32,119 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-11-25 23:16:32,120 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 [2022-11-25 23:16:32,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:32,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:32,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:32,210 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:32,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:32,227 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:32,271 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 [2022-11-25 23:16:32,300 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:16:32,301 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 [2022-11-25 23:16:32,337 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:16:32,338 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 [2022-11-25 23:16:32,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:32,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:32,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:32,393 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:33,294 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7595#(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 [2022-11-25 23:16:33,294 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:16:33,295 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:33,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2022-11-25 23:16:33,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972297414] [2022-11-25 23:16:33,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:16:33,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 23:16:33,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:33,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 23:16:33,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=744, Unknown=4, NotChecked=0, Total=870 [2022-11-25 23:16:33,297 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) [2022-11-25 23:16:33,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:33,718 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2022-11-25 23:16:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:16:33,719 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 [2022-11-25 23:16:33,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:33,720 INFO L225 Difference]: With dead ends: 168 [2022-11-25 23:16:33,720 INFO L226 Difference]: Without dead ends: 168 [2022-11-25 23:16:33,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=183, Invalid=1144, Unknown=5, NotChecked=0, Total=1332 [2022-11-25 23:16:33,721 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 217 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:33,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 316 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:16:33,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-25 23:16:33,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 150. [2022-11-25 23:16:33,725 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) [2022-11-25 23:16:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 195 transitions. [2022-11-25 23:16:33,725 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 195 transitions. Word has length 28 [2022-11-25 23:16:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:33,726 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 195 transitions. [2022-11-25 23:16:33,726 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) [2022-11-25 23:16:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 195 transitions. [2022-11-25 23:16:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 23:16:33,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:33,727 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] [2022-11-25 23:16:33,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:33,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-25 23:16:33,933 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)] === [2022-11-25 23:16:33,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:33,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1632398409, now seen corresponding path program 2 times [2022-11-25 23:16:33,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:33,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369866740] [2022-11-25 23:16:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:34,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:34,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369866740] [2022-11-25 23:16:34,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369866740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:34,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232422216] [2022-11-25 23:16:34,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:16:34,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:34,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:34,395 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:16:34,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 23:16:34,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:16:34,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-25 23:16:34,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:34,573 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 [2022-11-25 23:16:34,594 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 [2022-11-25 23:16:34,610 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:16:34,611 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 [2022-11-25 23:16:34,622 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 [2022-11-25 23:16:34,653 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:34,679 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:34,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:34,926 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2022-11-25 23:16:34,926 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 [2022-11-25 23:16:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:35,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:35,513 INFO L321 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-11-25 23:16:35,513 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 [2022-11-25 23:16:35,635 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 [2022-11-25 23:16:35,926 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:35,926 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:35,938 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:35,938 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 [2022-11-25 23:16:35,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:35,945 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 [2022-11-25 23:16:35,983 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:35,983 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:35,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:35,994 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 23:16:35,994 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 [2022-11-25 23:16:36,004 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 [2022-11-25 23:16:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:36,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232422216] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:36,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [171829157] [2022-11-25 23:16:36,085 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-25 23:16:36,086 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:36,086 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:36,086 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:36,086 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,112 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 [2022-11-25 23:16:36,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:36,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,138 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 [2022-11-25 23:16:36,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:36,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,162 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 [2022-11-25 23:16:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,176 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 [2022-11-25 23:16:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,187 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 [2022-11-25 23:16:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,196 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 [2022-11-25 23:16:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,221 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 [2022-11-25 23:16:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,236 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 [2022-11-25 23:16:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,252 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 [2022-11-25 23:16:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,283 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 [2022-11-25 23:16:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,309 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 [2022-11-25 23:16:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,355 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 [2022-11-25 23:16:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,415 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:36,416 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 [2022-11-25 23:16:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,437 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 [2022-11-25 23:16:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,457 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 [2022-11-25 23:16:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:36,524 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:16:36,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-11-25 23:16:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,549 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 [2022-11-25 23:16:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,573 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 [2022-11-25 23:16:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,617 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 [2022-11-25 23:16:36,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,675 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 [2022-11-25 23:16:36,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,687 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 [2022-11-25 23:16:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,700 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 [2022-11-25 23:16:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,745 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 [2022-11-25 23:16:36,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,806 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 [2022-11-25 23:16:36,868 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:36,868 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 [2022-11-25 23:16:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,887 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 [2022-11-25 23:16:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,928 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 [2022-11-25 23:16:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:36,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:36,995 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:16:36,996 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 [2022-11-25 23:16:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,023 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 [2022-11-25 23:16:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,043 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 [2022-11-25 23:16:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,080 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 [2022-11-25 23:16:37,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,125 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 [2022-11-25 23:16:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,141 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 [2022-11-25 23:16:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,153 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 [2022-11-25 23:16:37,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-25 23:16:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,209 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 [2022-11-25 23:16:37,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,557 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 [2022-11-25 23:16:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:37,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:37,652 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:16:37,653 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 [2022-11-25 23:16:37,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,687 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-25 23:16:37,688 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 [2022-11-25 23:16:37,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:37,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:37,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:37,748 INFO L321 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2022-11-25 23:16:37,749 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 [2022-11-25 23:16:37,879 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:44,481 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8148#(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 [2022-11-25 23:16:44,481 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:16:44,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:44,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 35 [2022-11-25 23:16:44,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061202230] [2022-11-25 23:16:44,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:16:44,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-25 23:16:44,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:44,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-25 23:16:44,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2032, Unknown=2, NotChecked=94, Total=2450 [2022-11-25 23:16:44,484 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) [2022-11-25 23:16:50,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:50,714 INFO L93 Difference]: Finished difference Result 167 states and 211 transitions. [2022-11-25 23:16:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 23:16:50,714 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 [2022-11-25 23:16:50,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:50,715 INFO L225 Difference]: With dead ends: 167 [2022-11-25 23:16:50,715 INFO L226 Difference]: Without dead ends: 152 [2022-11-25 23:16:50,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 45 SyntacticMatches, 9 SemanticMatches, 62 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=541, Invalid=3367, Unknown=2, NotChecked=122, Total=4032 [2022-11-25 23:16:50,716 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 148 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:50,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 914 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1054 Invalid, 0 Unknown, 82 Unchecked, 1.2s Time] [2022-11-25 23:16:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-25 23:16:50,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 132. [2022-11-25 23:16:50,719 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) [2022-11-25 23:16:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 175 transitions. [2022-11-25 23:16:50,720 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 175 transitions. Word has length 29 [2022-11-25 23:16:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:50,720 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 175 transitions. [2022-11-25 23:16:50,720 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) [2022-11-25 23:16:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 175 transitions. [2022-11-25 23:16:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:16:50,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:50,721 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] [2022-11-25 23:16:50,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:50,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-25 23:16:50,943 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)] === [2022-11-25 23:16:50,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:50,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1933851355, now seen corresponding path program 1 times [2022-11-25 23:16:50,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:50,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384857390] [2022-11-25 23:16:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:51,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:51,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384857390] [2022-11-25 23:16:51,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384857390] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:51,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895228566] [2022-11-25 23:16:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:51,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:51,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:51,275 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:51,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:16:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:51,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:16:51,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:51,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:51,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,596 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:16:51,669 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 [2022-11-25 23:16:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:51,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:51,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895228566] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:51,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [768331911] [2022-11-25 23:16:51,877 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-25 23:16:51,878 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:51,878 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:51,878 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:51,878 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,910 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 [2022-11-25 23:16:51,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:16:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,937 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 [2022-11-25 23:16:51,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:16:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,962 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 [2022-11-25 23:16:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,976 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 [2022-11-25 23:16:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:51,997 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 [2022-11-25 23:16:52,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,010 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 [2022-11-25 23:16:52,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,034 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 [2022-11-25 23:16:52,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,044 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 [2022-11-25 23:16:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,063 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 50 treesize of output 38 [2022-11-25 23:16:52,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,132 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 [2022-11-25 23:16:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,193 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 [2022-11-25 23:16:52,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,262 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:52,263 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 [2022-11-25 23:16:52,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,287 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 [2022-11-25 23:16:52,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,309 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 [2022-11-25 23:16:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:52,410 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:16:52,411 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 [2022-11-25 23:16:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,455 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 [2022-11-25 23:16:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,500 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 [2022-11-25 23:16:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,524 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 56 treesize of output 51 [2022-11-25 23:16:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,585 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 [2022-11-25 23:16:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,596 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 [2022-11-25 23:16:52,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,611 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 [2022-11-25 23:16:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:52,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,658 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 [2022-11-25 23:16:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:16:52,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,723 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 [2022-11-25 23:16:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,794 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:52,794 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 [2022-11-25 23:16:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,819 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 [2022-11-25 23:16:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,841 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 [2022-11-25 23:16:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:52,919 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:16:52,920 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 [2022-11-25 23:16:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,950 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 [2022-11-25 23:16:52,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:52,975 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 [2022-11-25 23:16:52,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,040 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 [2022-11-25 23:16:53,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,252 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:16:53,253 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 [2022-11-25 23:16:53,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,302 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:16:53,303 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 [2022-11-25 23:16:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,378 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 23:16:53,378 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 [2022-11-25 23:16:53,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,544 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:16:53,544 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 [2022-11-25 23:16:53,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,667 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-11-25 23:16:53,667 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 [2022-11-25 23:16:53,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,714 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:16:53,714 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 [2022-11-25 23:16:53,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,842 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-25 23:16:53,842 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 [2022-11-25 23:16:53,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:53,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:53,978 INFO L321 Elim1Store]: treesize reduction 280, result has 14.6 percent of original size [2022-11-25 23:16:53,979 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 [2022-11-25 23:16:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,050 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-25 23:16:54,051 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 [2022-11-25 23:16:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,356 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-25 23:16:54,357 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 [2022-11-25 23:16:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,664 INFO L321 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2022-11-25 23:16:54,665 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 [2022-11-25 23:16:54,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,837 INFO L321 Elim1Store]: treesize reduction 356, result has 12.3 percent of original size [2022-11-25 23:16:54,838 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 [2022-11-25 23:16:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:54,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:54,904 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:16:54,904 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 [2022-11-25 23:16:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:55,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:55,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,163 INFO L321 Elim1Store]: treesize reduction 226, result has 11.7 percent of original size [2022-11-25 23:16:55,164 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 [2022-11-25 23:16:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:55,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,490 INFO L321 Elim1Store]: treesize reduction 426, result has 8.4 percent of original size [2022-11-25 23:16:55,491 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 [2022-11-25 23:16:55,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:55,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:55,603 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-25 23:16:55,604 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 [2022-11-25 23:16:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:55,870 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-25 23:16:55,871 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 [2022-11-25 23:16:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:56,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,327 INFO L321 Elim1Store]: treesize reduction 394, result has 11.9 percent of original size [2022-11-25 23:16:56,328 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 [2022-11-25 23:16:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:56,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,580 INFO L321 Elim1Store]: treesize reduction 438, result has 11.5 percent of original size [2022-11-25 23:16:56,581 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 [2022-11-25 23:16:56,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:56,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,761 INFO L321 Elim1Store]: treesize reduction 322, result has 12.3 percent of original size [2022-11-25 23:16:56,762 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 [2022-11-25 23:16:56,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:56,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:57,164 INFO L321 Elim1Store]: treesize reduction 452, result has 12.6 percent of original size [2022-11-25 23:16:57,165 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 [2022-11-25 23:16:57,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:57,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:57,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:57,636 INFO L321 Elim1Store]: treesize reduction 440, result has 10.0 percent of original size [2022-11-25 23:16:57,637 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 [2022-11-25 23:16:57,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:57,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:57,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:57,849 INFO L321 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2022-11-25 23:16:57,849 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 [2022-11-25 23:16:58,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:58,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:58,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:58,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,496 INFO L321 Elim1Store]: treesize reduction 430, result has 7.5 percent of original size [2022-11-25 23:16:58,497 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 [2022-11-25 23:16:58,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:58,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:58,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:58,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:58,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:59,655 INFO L321 Elim1Store]: treesize reduction 732, result has 10.1 percent of original size [2022-11-25 23:16:59,656 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 [2022-11-25 23:16:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:00,125 INFO L321 Elim1Store]: treesize reduction 812, result has 12.2 percent of original size [2022-11-25 23:17:00,126 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 [2022-11-25 23:17:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:00,991 INFO L321 Elim1Store]: treesize reduction 808, result has 8.9 percent of original size [2022-11-25 23:17:00,992 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 [2022-11-25 23:17:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:01,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:01,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:01,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:01,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:01,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:01,785 INFO L321 Elim1Store]: treesize reduction 614, result has 7.5 percent of original size [2022-11-25 23:17:01,786 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 [2022-11-25 23:17:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:01,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:01,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:03,234 INFO L321 Elim1Store]: treesize reduction 830, result has 8.5 percent of original size [2022-11-25 23:17:03,234 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 [2022-11-25 23:17:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:03,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:03,701 INFO L321 Elim1Store]: treesize reduction 654, result has 7.4 percent of original size [2022-11-25 23:17:03,702 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 [2022-11-25 23:17:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:03,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:03,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:03,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:03,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:03,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:04,685 INFO L321 Elim1Store]: treesize reduction 474, result has 8.5 percent of original size [2022-11-25 23:17:04,686 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 [2022-11-25 23:17:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:04,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:04,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:04,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:06,418 INFO L321 Elim1Store]: treesize reduction 974, result has 5.4 percent of original size [2022-11-25 23:17:06,419 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 [2022-11-25 23:17:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:06,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:06,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:07,090 INFO L321 Elim1Store]: treesize reduction 472, result has 16.3 percent of original size [2022-11-25 23:17:07,091 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 [2022-11-25 23:17:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:08,163 INFO L321 Elim1Store]: treesize reduction 964, result has 8.8 percent of original size [2022-11-25 23:17:08,164 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 [2022-11-25 23:17:08,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:08,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:17:08,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:17:08,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:08,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:08,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:17:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:08,586 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 [2022-11-25 23:17:08,619 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:17:08,620 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 [2022-11-25 23:17:08,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:08,701 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:17:08,701 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 [2022-11-25 23:17:08,777 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:17:08,777 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 [2022-11-25 23:17:08,794 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 [2022-11-25 23:17:08,803 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 [2022-11-25 23:17:08,819 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:17:08,819 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 [2022-11-25 23:17:08,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:08,855 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 [2022-11-25 23:17:08,946 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:17:08,947 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 [2022-11-25 23:17:08,969 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:17:08,969 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 [2022-11-25 23:17:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:08,990 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:17:08,991 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 [2022-11-25 23:17:09,014 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 [2022-11-25 23:17:09,050 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 [2022-11-25 23:17:09,066 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:17:09,066 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 [2022-11-25 23:17:09,083 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 [2022-11-25 23:17:09,119 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 [2022-11-25 23:17:09,136 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:09,137 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 [2022-11-25 23:17:09,150 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 [2022-11-25 23:17:09,231 INFO L321 Elim1Store]: treesize reduction 70, result has 31.4 percent of original size [2022-11-25 23:17:09,232 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 [2022-11-25 23:17:09,320 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-11-25 23:17:09,320 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 [2022-11-25 23:17:09,354 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 [2022-11-25 23:17:09,374 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:09,375 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 [2022-11-25 23:17:09,406 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:17:09,407 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 [2022-11-25 23:17:09,464 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 [2022-11-25 23:17:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:09,489 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:17:09,489 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 [2022-11-25 23:17:09,578 INFO L321 Elim1Store]: treesize reduction 84, result has 30.6 percent of original size [2022-11-25 23:17:09,579 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 [2022-11-25 23:17:09,696 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-11-25 23:17:09,696 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 [2022-11-25 23:17:09,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:09,724 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:09,724 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 [2022-11-25 23:17:09,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:17:09,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:09,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:17:09,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:17:09,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:09,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:09,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-11-25 23:17:09,830 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:17:09,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:09,929 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:17:09,930 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 [2022-11-25 23:17:09,997 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:17:09,998 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 [2022-11-25 23:17:10,037 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 [2022-11-25 23:17:10,055 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:10,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:17:10,067 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 [2022-11-25 23:17:10,083 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 [2022-11-25 23:17:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:10,099 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 [2022-11-25 23:17:10,167 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:17:10,168 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 [2022-11-25 23:17:10,282 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:17:10,283 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 [2022-11-25 23:17:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:10,307 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:10,307 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 [2022-11-25 23:17:10,340 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 [2022-11-25 23:17:10,375 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:10,376 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 [2022-11-25 23:17:10,393 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 [2022-11-25 23:17:10,434 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 [2022-11-25 23:17:10,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:10,454 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 [2022-11-25 23:17:10,471 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 [2022-11-25 23:17:10,565 INFO L321 Elim1Store]: treesize reduction 70, result has 31.4 percent of original size [2022-11-25 23:17:10,565 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 [2022-11-25 23:17:10,662 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-11-25 23:17:10,662 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 [2022-11-25 23:17:10,705 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:10,705 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 [2022-11-25 23:17:10,722 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 [2022-11-25 23:17:10,750 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:17:10,750 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 [2022-11-25 23:17:10,813 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 [2022-11-25 23:17:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:10,847 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:10,848 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 [2022-11-25 23:17:10,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:10,874 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:17:10,875 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 [2022-11-25 23:17:10,987 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-11-25 23:17:10,987 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 [2022-11-25 23:17:11,012 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:17:11,012 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 [2022-11-25 23:17:11,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:17:11,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:11,119 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:17:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:11,129 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:17:11,292 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-25 23:17:11,293 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 [2022-11-25 23:17:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:11,331 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-25 23:17:11,331 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 [2022-11-25 23:17:11,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,385 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:17:11,385 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 [2022-11-25 23:17:11,417 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:17:11,418 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 [2022-11-25 23:17:11,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:17:11,460 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:17:14,330 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8684#(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 [2022-11-25 23:17:14,330 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:17:14,330 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:17:14,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-11-25 23:17:14,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887645254] [2022-11-25 23:17:14,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:17:14,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:17:14,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:17:14,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:17:14,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1083, Unknown=0, NotChecked=0, Total=1332 [2022-11-25 23:17:14,332 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) [2022-11-25 23:17:14,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:17:14,890 INFO L93 Difference]: Finished difference Result 148 states and 174 transitions. [2022-11-25 23:17:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:17:14,891 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 [2022-11-25 23:17:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:17:14,892 INFO L225 Difference]: With dead ends: 148 [2022-11-25 23:17:14,892 INFO L226 Difference]: Without dead ends: 148 [2022-11-25 23:17:14,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=354, Invalid=1626, Unknown=0, NotChecked=0, Total=1980 [2022-11-25 23:17:14,893 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 313 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:17:14,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 229 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:17:14,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-25 23:17:14,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 132. [2022-11-25 23:17:14,896 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) [2022-11-25 23:17:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 174 transitions. [2022-11-25 23:17:14,897 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 174 transitions. Word has length 30 [2022-11-25 23:17:14,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:17:14,897 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 174 transitions. [2022-11-25 23:17:14,897 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) [2022-11-25 23:17:14,897 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 174 transitions. [2022-11-25 23:17:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 23:17:14,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:17:14,897 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] [2022-11-25 23:17:14,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:17:15,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:17:15,098 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)] === [2022-11-25 23:17:15,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:17:15,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1325719134, now seen corresponding path program 1 times [2022-11-25 23:17:15,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:17:15,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964743020] [2022-11-25 23:17:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:15,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:17:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:16,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:17:16,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964743020] [2022-11-25 23:17:16,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964743020] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:17:16,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124290713] [2022-11-25 23:17:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:16,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:17:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:17:16,239 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:17:16,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:17:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:16,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-25 23:17:16,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:17:16,471 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 [2022-11-25 23:17:16,500 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:17:16,500 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 [2022-11-25 23:17:16,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:17:16,753 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-25 23:17:16,754 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 [2022-11-25 23:17:16,837 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:17:16,870 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:17:16,927 INFO L321 Elim1Store]: treesize reduction 66, result has 35.3 percent of original size [2022-11-25 23:17:16,928 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 [2022-11-25 23:17:17,166 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 [2022-11-25 23:17:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:17,224 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 [2022-11-25 23:17:17,360 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:17:17,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 55 [2022-11-25 23:17:17,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:17:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:17,993 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 [2022-11-25 23:17:18,003 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 [2022-11-25 23:17:18,277 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 [2022-11-25 23:17:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:18,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:17:18,760 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 [2022-11-25 23:17:19,107 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 [2022-11-25 23:17:19,140 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 [2022-11-25 23:17:20,272 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:20,273 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 110 treesize of output 81 [2022-11-25 23:17:20,289 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:20,289 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 [2022-11-25 23:17:20,302 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 [2022-11-25 23:17:20,309 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 [2022-11-25 23:17:20,318 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 [2022-11-25 23:17:21,446 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:21,447 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:17:21,468 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:17:21,469 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 [2022-11-25 23:17:21,479 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 [2022-11-25 23:17:21,489 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 [2022-11-25 23:17:21,501 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 [2022-11-25 23:18:00,706 WARN L233 SmtUtils]: Spent 36.19s 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) [2022-11-25 23:18:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:01,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124290713] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:01,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [730862879] [2022-11-25 23:18:01,802 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-25 23:18:01,802 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:01,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:01,803 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:01,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:01,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,839 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 [2022-11-25 23:18:01,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,869 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 [2022-11-25 23:18:01,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:18:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,905 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 [2022-11-25 23:18:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,917 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 [2022-11-25 23:18:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,928 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 [2022-11-25 23:18:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,941 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 [2022-11-25 23:18:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,977 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 [2022-11-25 23:18:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:01,991 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 [2022-11-25 23:18:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,005 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 [2022-11-25 23:18:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,030 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 [2022-11-25 23:18:02,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,046 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 [2022-11-25 23:18:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:18:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,105 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 [2022-11-25 23:18:02,187 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:18:02,188 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 [2022-11-25 23:18:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,211 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 [2022-11-25 23:18:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,234 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 [2022-11-25 23:18:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:02,311 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:18:02,311 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 [2022-11-25 23:18:02,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,383 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 [2022-11-25 23:18:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,409 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 [2022-11-25 23:18:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,437 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 [2022-11-25 23:18:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:18:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,495 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 [2022-11-25 23:18:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:18:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,584 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 [2022-11-25 23:18:02,669 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:18:02,670 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 [2022-11-25 23:18:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,696 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 [2022-11-25 23:18:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,720 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 [2022-11-25 23:18:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:02,794 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:18:02,794 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 [2022-11-25 23:18:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,845 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 [2022-11-25 23:18:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,869 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 [2022-11-25 23:18:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:02,897 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 [2022-11-25 23:18:03,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,095 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:18:03,095 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 [2022-11-25 23:18:03,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,147 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:18:03,148 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 [2022-11-25 23:18:03,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,224 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-25 23:18:03,225 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 [2022-11-25 23:18:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,449 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:18:03,450 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 [2022-11-25 23:18:03,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,521 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:18:03,521 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 [2022-11-25 23:18:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,603 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-25 23:18:03,604 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 [2022-11-25 23:18:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,732 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:18:03,733 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 [2022-11-25 23:18:03,938 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:18:03,938 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 [2022-11-25 23:18:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:03,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:04,035 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:18:04,036 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 [2022-11-25 23:18:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:04,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:04,408 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:18:04,408 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 [2022-11-25 23:18:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:04,653 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:18:04,654 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 [2022-11-25 23:18:04,827 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:18:04,828 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 [2022-11-25 23:18:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:04,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:04,897 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:18:04,898 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 [2022-11-25 23:18:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:05,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:05,210 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:18:05,210 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 [2022-11-25 23:18:05,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:05,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:05,574 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:18:05,574 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 [2022-11-25 23:18:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:05,911 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:18:05,912 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 [2022-11-25 23:18:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:05,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:05,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,050 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:18:06,050 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 [2022-11-25 23:18:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,201 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:18:06,202 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 [2022-11-25 23:18:06,353 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:18:06,354 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 [2022-11-25 23:18:06,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:06,431 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:18:06,431 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 [2022-11-25 23:18:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,732 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:18:06,733 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 [2022-11-25 23:18:06,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:06,980 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:18:06,981 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 [2022-11-25 23:18:07,158 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:18:07,159 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 [2022-11-25 23:18:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:07,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:07,242 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:18:07,242 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 [2022-11-25 23:18:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:07,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:07,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:07,605 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:18:07,605 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 [2022-11-25 23:18:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:07,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:08,038 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:18:08,038 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 [2022-11-25 23:18:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:08,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:08,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:08,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:08,209 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:18:08,210 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-11-25 23:18:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:08,541 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:18:08,541 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 [2022-11-25 23:18:08,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:18:08,750 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 11 treesize of output 7 [2022-11-25 23:18:08,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:08,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:08,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:08,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:18:08,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:08,785 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:08,809 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:18:08,809 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 [2022-11-25 23:18:08,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-25 23:18:08,880 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:18:08,880 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 [2022-11-25 23:18:08,951 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:18:08,955 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 [2022-11-25 23:18:08,976 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 [2022-11-25 23:18:08,985 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 [2022-11-25 23:18:09,000 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:18:09,001 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 [2022-11-25 23:18:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:09,030 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 [2022-11-25 23:18:09,108 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:18:09,108 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 [2022-11-25 23:18:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:09,125 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:18:09,126 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 [2022-11-25 23:18:09,226 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:18:09,227 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 [2022-11-25 23:18:09,242 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 [2022-11-25 23:18:09,268 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 [2022-11-25 23:18:09,289 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:18:09,290 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 [2022-11-25 23:18:09,302 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 [2022-11-25 23:18:09,324 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:09,333 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 27 treesize of output 22 [2022-11-25 23:18:09,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:09,400 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:18:09,400 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 [2022-11-25 23:18:09,475 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:18:09,475 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 [2022-11-25 23:18:09,491 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 [2022-11-25 23:18:09,499 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 [2022-11-25 23:18:09,514 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:09,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:18:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:09,549 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 [2022-11-25 23:18:09,622 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:18:09,623 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 [2022-11-25 23:18:09,729 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:18:09,730 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 [2022-11-25 23:18:09,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:09,750 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:09,750 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 [2022-11-25 23:18:09,765 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 [2022-11-25 23:18:09,795 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 15 treesize of output 1 [2022-11-25 23:18:09,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:09,806 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 11 treesize of output 7 [2022-11-25 23:18:09,815 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 15 treesize of output 1 [2022-11-25 23:18:09,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:09,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:18:09,839 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:09,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:09,854 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:09,916 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:18:09,916 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 [2022-11-25 23:18:09,986 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:18:09,986 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 41 [2022-11-25 23:18:10,003 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 [2022-11-25 23:18:10,011 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 [2022-11-25 23:18:10,026 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:10,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:18:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,052 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 [2022-11-25 23:18:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,068 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:10,068 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 [2022-11-25 23:18:10,140 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:18:10,140 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 [2022-11-25 23:18:10,160 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:18:10,160 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 [2022-11-25 23:18:10,195 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 [2022-11-25 23:18:10,218 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 [2022-11-25 23:18:10,237 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:10,237 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 [2022-11-25 23:18:10,249 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 [2022-11-25 23:18:10,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:10,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:10,325 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:18:10,325 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 [2022-11-25 23:18:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:10,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:10,349 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:18:10,350 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 [2022-11-25 23:18:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:10,389 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-25 23:18:10,389 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 [2022-11-25 23:18:10,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,696 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-25 23:18:10,697 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 [2022-11-25 23:18:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,731 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-25 23:18:10,732 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 [2022-11-25 23:18:10,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:10,770 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 [2022-11-25 23:18:10,970 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-25 23:18:10,970 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 [2022-11-25 23:18:11,386 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:18:11,386 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 [2022-11-25 23:18:11,478 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:18:11,478 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 [2022-11-25 23:18:11,590 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:18:11,590 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 [2022-11-25 23:18:11,649 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:18:11,649 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 [2022-11-25 23:18:11,703 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:18:11,703 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 [2022-11-25 23:18:11,802 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 11 treesize of output 7 [2022-11-25 23:18:11,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:18:11,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:11,841 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:18:11,842 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 [2022-11-25 23:18:11,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:18:11,873 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:18:11,873 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 [2022-11-25 23:18:11,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-25 23:18:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-25 23:18:11,932 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:16,774 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9238#(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 [2022-11-25 23:18:16,774 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:18:16,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:18:16,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 18] total 43 [2022-11-25 23:18:16,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187530828] [2022-11-25 23:18:16,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:18:16,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-25 23:18:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:16,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-25 23:18:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=3895, Unknown=9, NotChecked=258, Total=4556 [2022-11-25 23:18:16,778 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) [2022-11-25 23:18:22,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:22,155 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2022-11-25 23:18:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-25 23:18:22,159 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 [2022-11-25 23:18:22,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:22,161 INFO L225 Difference]: With dead ends: 322 [2022-11-25 23:18:22,161 INFO L226 Difference]: Without dead ends: 322 [2022-11-25 23:18:22,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 90 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2997 ImplicationChecksByTransitivity, 47.3s TimeCoverageRelationStatistics Valid=912, Invalid=7097, Unknown=9, NotChecked=354, Total=8372 [2022-11-25 23:18:22,164 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 788 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 290 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:22,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 849 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1808 Invalid, 0 Unknown, 290 Unchecked, 3.0s Time] [2022-11-25 23:18:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-11-25 23:18:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 130. [2022-11-25 23:18:22,168 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) [2022-11-25 23:18:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 169 transitions. [2022-11-25 23:18:22,168 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 169 transitions. Word has length 33 [2022-11-25 23:18:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:22,169 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 169 transitions. [2022-11-25 23:18:22,169 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) [2022-11-25 23:18:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2022-11-25 23:18:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 23:18:22,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:22,170 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] [2022-11-25 23:18:22,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:22,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-25 23:18:22,376 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)] === [2022-11-25 23:18:22,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:22,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1325719135, now seen corresponding path program 1 times [2022-11-25 23:18:22,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:22,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018702314] [2022-11-25 23:18:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:23,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:23,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018702314] [2022-11-25 23:18:23,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018702314] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:23,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900357187] [2022-11-25 23:18:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:23,687 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:23,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 23:18:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-25 23:18:23,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:23,916 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 [2022-11-25 23:18:23,922 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 [2022-11-25 23:18:23,952 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:18:23,952 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 [2022-11-25 23:18:23,993 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:18:23,993 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 [2022-11-25 23:18:24,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:18:24,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:18:24,235 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-25 23:18:24,236 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 [2022-11-25 23:18:24,257 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 [2022-11-25 23:18:24,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-25 23:18:24,350 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 [2022-11-25 23:18:24,384 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 [2022-11-25 23:18:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:24,397 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 [2022-11-25 23:18:24,404 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:24,429 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-25 23:18:24,430 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 [2022-11-25 23:18:24,639 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:24,651 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:24,679 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 [2022-11-25 23:18:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:24,707 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 [2022-11-25 23:18:24,818 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:18:24,818 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 [2022-11-25 23:18:24,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-25 23:18:25,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:25,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:25,153 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 [2022-11-25 23:18:25,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:25,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:25,370 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 [2022-11-25 23:18:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:25,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:28,699 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:28,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 309 treesize of output 279 [2022-11-25 23:18:28,747 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:28,747 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 [2022-11-25 23:18:28,769 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:28,769 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:18:28,833 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:18:28,834 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 [2022-11-25 23:18:28,909 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 [2022-11-25 23:18:29,022 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 [2022-11-25 23:18:29,220 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 [2022-11-25 23:18:29,530 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 [2022-11-25 23:18:29,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8886 treesize of output 8518 [2022-11-25 23:18:29,884 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 [2022-11-25 23:21:09,510 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:21:09,510 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 [2022-11-25 23:23:35,669 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:23:35,669 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:23:35,684 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 [2022-11-25 23:23:35,698 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:23:35,698 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1177 treesize of output 747 [2022-11-25 23:23:35,729 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:23:35,729 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 [2022-11-25 23:23:35,759 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 [2022-11-25 23:23:35,792 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 [2022-11-25 23:23:35,861 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 4095 treesize of output 4083 [2022-11-25 23:23:35,933 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 [2022-11-25 23:23:36,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:23:36,171 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 [2022-11-25 23:25:28,798 WARN L233 SmtUtils]: Spent 39.03s 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) [2022-11-25 23:25:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:25:29,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900357187] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:25:29,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [332715470] [2022-11-25 23:25:29,897 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-25 23:25:29,897 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:25:29,897 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:25:29,897 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:25:29,898 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:25:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:29,929 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 [2022-11-25 23:25:29,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:29,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:29,965 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 [2022-11-25 23:25:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:29,984 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 [2022-11-25 23:25:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,003 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 [2022-11-25 23:25:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,015 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 [2022-11-25 23:25:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,027 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 27 treesize of output 11 [2022-11-25 23:25:30,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,058 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 [2022-11-25 23:25:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,070 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 [2022-11-25 23:25:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,083 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 [2022-11-25 23:25:30,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:25:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,122 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 30 treesize of output 32 [2022-11-25 23:25:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,136 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 [2022-11-25 23:25:30,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,178 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 [2022-11-25 23:25:30,242 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:25:30,243 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 [2022-11-25 23:25:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,261 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 [2022-11-25 23:25:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,279 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 [2022-11-25 23:25:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:30,338 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:25:30,338 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 [2022-11-25 23:25:30,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,369 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 [2022-11-25 23:25:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,415 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 [2022-11-25 23:25:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,438 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 [2022-11-25 23:25:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:25:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:25:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,499 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 [2022-11-25 23:25:30,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,560 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 [2022-11-25 23:25:30,617 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:25:30,617 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 [2022-11-25 23:25:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,637 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 [2022-11-25 23:25:30,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,655 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 [2022-11-25 23:25:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:30,718 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:25:30,719 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 [2022-11-25 23:25:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,746 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 [2022-11-25 23:25:30,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,801 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 [2022-11-25 23:25:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:30,826 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 [2022-11-25 23:25:30,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:30,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,010 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:25:31,011 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 [2022-11-25 23:25:31,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,075 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:25:31,075 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 [2022-11-25 23:25:31,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,157 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-25 23:25:31,158 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 [2022-11-25 23:25:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,341 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-25 23:25:31,342 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 [2022-11-25 23:25:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,443 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:25:31,443 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 [2022-11-25 23:25:31,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,497 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:25:31,497 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 [2022-11-25 23:25:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,645 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:25:31,646 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 [2022-11-25 23:25:31,771 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:25:31,772 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 [2022-11-25 23:25:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:31,853 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:25:31,854 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 [2022-11-25 23:25:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:32,153 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:25:32,153 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 [2022-11-25 23:25:32,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:32,400 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:25:32,400 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 [2022-11-25 23:25:32,579 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:25:32,580 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 [2022-11-25 23:25:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:32,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:32,663 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:25:32,664 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 [2022-11-25 23:25:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:32,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:32,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:32,960 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:25:32,960 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 [2022-11-25 23:25:33,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:33,354 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:25:33,355 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 [2022-11-25 23:25:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,684 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:25:33,684 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 [2022-11-25 23:25:33,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:33,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:33,856 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:25:33,857 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 [2022-11-25 23:25:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:33,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:33,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:33,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:33,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:34,024 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:25:34,024 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 [2022-11-25 23:25:34,155 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:25:34,155 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 [2022-11-25 23:25:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:34,238 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:25:34,239 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 [2022-11-25 23:25:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,517 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:25:34,517 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 [2022-11-25 23:25:34,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,739 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:25:34,740 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 [2022-11-25 23:25:34,941 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:25:34,942 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 [2022-11-25 23:25:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:34,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:35,008 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:25:35,008 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 1076 treesize of output 955 [2022-11-25 23:25:35,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,390 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:25:35,391 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 [2022-11-25 23:25:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:35,755 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:25:35,756 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 [2022-11-25 23:25:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:35,908 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:25:35,909 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 [2022-11-25 23:25:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:36,247 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:25:36,247 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 [2022-11-25 23:25:36,416 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 [2022-11-25 23:25:36,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:25:36,425 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 15 treesize of output 1 [2022-11-25 23:25:36,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:36,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:25:36,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:25:36,466 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:25:36,473 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:25:36,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:36,538 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:25:36,538 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 [2022-11-25 23:25:36,601 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:36,601 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 [2022-11-25 23:25:36,618 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 [2022-11-25 23:25:36,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 69 [2022-11-25 23:25:36,641 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:36,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:25:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:36,672 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:36,672 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 [2022-11-25 23:25:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:36,683 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 [2022-11-25 23:25:36,739 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:25:36,739 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 [2022-11-25 23:25:36,829 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:25:36,829 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 [2022-11-25 23:25:36,846 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 [2022-11-25 23:25:36,871 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 [2022-11-25 23:25:36,881 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 [2022-11-25 23:25:36,897 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:36,897 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 [2022-11-25 23:25:36,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-11-25 23:25:36,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-25 23:25:36,930 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 27 treesize of output 1 [2022-11-25 23:25:36,986 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:25:36,986 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 [2022-11-25 23:25:37,050 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:37,051 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 [2022-11-25 23:25:37,068 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 [2022-11-25 23:25:37,076 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 [2022-11-25 23:25:37,092 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:37,093 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:25:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,117 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 [2022-11-25 23:25:37,179 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:25:37,180 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 [2022-11-25 23:25:37,194 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:25:37,194 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 [2022-11-25 23:25:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,214 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:37,214 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 [2022-11-25 23:25:37,228 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 [2022-11-25 23:25:37,249 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 11 treesize of output 7 [2022-11-25 23:25:37,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:37,258 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:25:37,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:37,273 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:25:37,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:25:37,297 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:25:37,303 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 27 treesize of output 1 [2022-11-25 23:25:37,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-25 23:25:37,368 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:25:37,369 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 [2022-11-25 23:25:37,431 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:37,431 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 26 treesize of output 41 [2022-11-25 23:25:37,449 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 [2022-11-25 23:25:37,466 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:37,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:25:37,479 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 [2022-11-25 23:25:37,496 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 [2022-11-25 23:25:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,517 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:37,517 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 [2022-11-25 23:25:37,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,530 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 [2022-11-25 23:25:37,597 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:25:37,598 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 [2022-11-25 23:25:37,615 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:25:37,615 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 [2022-11-25 23:25:37,647 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 [2022-11-25 23:25:37,664 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:37,664 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 [2022-11-25 23:25:37,681 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 [2022-11-25 23:25:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:37,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:37,739 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:25:37,743 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 [2022-11-25 23:25:37,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:37,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:37,766 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:25:37,767 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 [2022-11-25 23:25:37,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:37,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:37,804 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-25 23:25:37,805 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 [2022-11-25 23:25:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,086 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-11-25 23:25:38,086 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 [2022-11-25 23:25:38,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,133 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-11-25 23:25:38,134 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 [2022-11-25 23:25:38,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:25:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,185 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 [2022-11-25 23:25:38,363 INFO L321 Elim1Store]: treesize reduction 166, result has 33.1 percent of original size [2022-11-25 23:25:38,363 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 [2022-11-25 23:25:39,192 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:39,192 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 [2022-11-25 23:25:39,231 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,231 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 [2022-11-25 23:25:39,342 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:39,343 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 [2022-11-25 23:25:39,418 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,418 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 [2022-11-25 23:25:39,458 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,458 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 [2022-11-25 23:25:39,514 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,515 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 [2022-11-25 23:25:39,557 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,557 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 [2022-11-25 23:25:39,634 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,635 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 [2022-11-25 23:25:39,672 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,672 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 [2022-11-25 23:25:39,729 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,730 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 [2022-11-25 23:25:39,770 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,770 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 [2022-11-25 23:25:39,819 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,820 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 [2022-11-25 23:25:39,883 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:39,883 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 [2022-11-25 23:25:40,030 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:40,030 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 [2022-11-25 23:25:40,083 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:40,083 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 [2022-11-25 23:25:40,281 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:25:40,282 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 [2022-11-25 23:25:40,343 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:25:40,343 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 [2022-11-25 23:25:40,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:40,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:25:40,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:25:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:40,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-25 23:25:40,544 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:25:40,544 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 [2022-11-25 23:25:40,551 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 [2022-11-25 23:25:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:40,560 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 [2022-11-25 23:25:40,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:25:40,617 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:25:45,967 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10001#(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$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-25 23:25:45,968 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:25:45,968 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:25:45,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 17] total 40 [2022-11-25 23:25:45,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919371186] [2022-11-25 23:25:45,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:25:45,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-25 23:25:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-25 23:25:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=3752, Unknown=3, NotChecked=0, Total=4160 [2022-11-25 23:25:45,971 INFO L87 Difference]: Start difference. First operand 130 states and 169 transitions. Second operand has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:25:47,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:25:49,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:25:57,619 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 113 DAG size of output: 98 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:26:17,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 23:26:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:19,678 INFO L93 Difference]: Finished difference Result 273 states and 334 transitions. [2022-11-25 23:26:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 23:26:19,679 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 [2022-11-25 23:26:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:19,680 INFO L225 Difference]: With dead ends: 273 [2022-11-25 23:26:19,680 INFO L226 Difference]: Without dead ends: 273 [2022-11-25 23:26:19,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2727 ImplicationChecksByTransitivity, 67.6s TimeCoverageRelationStatistics Valid=1066, Invalid=6934, Unknown=10, NotChecked=0, Total=8010 [2022-11-25 23:26:19,682 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1048 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 90 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:19,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 472 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1780 Invalid, 8 Unknown, 0 Unchecked, 14.9s Time] [2022-11-25 23:26:19,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-11-25 23:26:19,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 139. [2022-11-25 23:26:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 101 states have (on average 1.8514851485148516) internal successors, (187), 138 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 187 transitions. [2022-11-25 23:26:19,687 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 187 transitions. Word has length 33 [2022-11-25 23:26:19,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:19,687 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 187 transitions. [2022-11-25 23:26:19,688 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) [2022-11-25 23:26:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 187 transitions. [2022-11-25 23:26:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:26:19,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:19,688 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] [2022-11-25 23:26:19,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-25 23:26:19,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-25 23:26:19,895 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)] === [2022-11-25 23:26:19,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:19,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1852266170, now seen corresponding path program 1 times [2022-11-25 23:26:19,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:19,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340929209] [2022-11-25 23:26:19,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:19,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:20,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:20,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340929209] [2022-11-25 23:26:20,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340929209] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:26:20,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790866266] [2022-11-25 23:26:20,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:20,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:26:20,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:20,271 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:26:20,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 23:26:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:20,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 23:26:20,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:26:20,756 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 [2022-11-25 23:26:20,760 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 [2022-11-25 23:26:20,859 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 [2022-11-25 23:26:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:20,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:26:21,132 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 [2022-11-25 23:26:21,136 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 [2022-11-25 23:26:21,208 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 [2022-11-25 23:26:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:21,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790866266] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:26:21,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [840442204] [2022-11-25 23:26:21,241 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-25 23:26:21,241 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:26:21,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:26:21,241 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:26:21,242 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:26:21,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,272 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 [2022-11-25 23:26:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,292 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 [2022-11-25 23:26:21,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:21,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,327 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 [2022-11-25 23:26:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,341 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 [2022-11-25 23:26:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,352 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 [2022-11-25 23:26:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-25 23:26:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,389 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 [2022-11-25 23:26:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,403 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 [2022-11-25 23:26:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,422 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 [2022-11-25 23:26:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:26:21,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,470 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 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-25 23:26:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:26:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,526 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 [2022-11-25 23:26:21,587 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:26:21,588 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 [2022-11-25 23:26:21,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,607 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 [2022-11-25 23:26:21,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,626 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 [2022-11-25 23:26:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:21,694 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:21,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-25 23:26:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,743 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 [2022-11-25 23:26:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,767 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 [2022-11-25 23:26:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,793 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 [2022-11-25 23:26:21,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:26:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,843 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 [2022-11-25 23:26:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:26:21,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,910 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 [2022-11-25 23:26:21,977 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:26:21,977 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 [2022-11-25 23:26:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:21,997 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 [2022-11-25 23:26:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,015 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 [2022-11-25 23:26:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,086 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:22,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-25 23:26:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,114 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 [2022-11-25 23:26:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,160 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 [2022-11-25 23:26:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,183 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 [2022-11-25 23:26:22,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,331 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:26:22,332 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 [2022-11-25 23:26:22,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,407 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-25 23:26:22,407 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 [2022-11-25 23:26:22,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,453 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:22,454 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 [2022-11-25 23:26:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,614 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:26:22,614 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 [2022-11-25 23:26:22,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,666 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:22,666 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 [2022-11-25 23:26:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,738 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-25 23:26:22,739 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 [2022-11-25 23:26:22,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:22,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,861 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:26:22,862 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 [2022-11-25 23:26:23,004 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:26:23,005 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 [2022-11-25 23:26:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:23,078 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:26:23,078 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 [2022-11-25 23:26:23,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,386 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:26:23,386 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 [2022-11-25 23:26:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,614 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:26:23,614 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 [2022-11-25 23:26:23,801 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:26:23,801 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 [2022-11-25 23:26:23,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:23,877 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:23,877 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 [2022-11-25 23:26:23,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:23,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:24,192 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:26:24,193 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 [2022-11-25 23:26:24,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:24,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:24,571 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:26:24,572 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 [2022-11-25 23:26:24,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:24,953 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:26:24,953 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 [2022-11-25 23:26:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,136 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:26:25,137 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 [2022-11-25 23:26:25,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,282 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:26:25,283 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 [2022-11-25 23:26:25,425 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:26:25,425 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 [2022-11-25 23:26:25,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:25,501 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:26:25,502 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 [2022-11-25 23:26:25,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:25,782 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:26:25,783 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 [2022-11-25 23:26:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,007 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:26:26,008 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 [2022-11-25 23:26:26,272 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:26:26,273 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 [2022-11-25 23:26:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:26,342 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:26,342 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 [2022-11-25 23:26:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,622 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:26:26,623 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 [2022-11-25 23:26:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:26,854 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:26:26,855 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 [2022-11-25 23:26:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:26,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:27,019 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:26:27,020 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 [2022-11-25 23:26:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:27,363 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:26:27,364 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 [2022-11-25 23:26:27,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:27,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:27,543 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 [2022-11-25 23:26:27,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:26:27,556 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 11 treesize of output 7 [2022-11-25 23:26:27,564 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 [2022-11-25 23:26:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:27,576 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:27,594 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:27,595 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 [2022-11-25 23:26:27,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:27,651 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:27,652 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 [2022-11-25 23:26:27,664 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:26:27,665 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 [2022-11-25 23:26:27,681 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 [2022-11-25 23:26:27,694 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:27,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:26:27,706 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 [2022-11-25 23:26:27,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:27,725 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 [2022-11-25 23:26:27,791 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:26:27,792 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 [2022-11-25 23:26:27,806 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:26:27,806 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 [2022-11-25 23:26:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:27,824 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:27,824 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 [2022-11-25 23:26:27,837 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 [2022-11-25 23:26:27,862 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 [2022-11-25 23:26:27,875 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 [2022-11-25 23:26:27,896 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:27,896 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 [2022-11-25 23:26:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:27,915 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:27,936 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:27,937 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 [2022-11-25 23:26:27,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-11-25 23:26:28,000 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:28,001 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 [2022-11-25 23:26:28,016 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:26:28,017 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 [2022-11-25 23:26:28,034 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 [2022-11-25 23:26:28,043 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 [2022-11-25 23:26:28,057 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:26:28,057 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 [2022-11-25 23:26:28,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,078 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 [2022-11-25 23:26:28,147 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:26:28,147 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 [2022-11-25 23:26:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,164 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:28,164 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 [2022-11-25 23:26:28,181 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:26:28,181 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 [2022-11-25 23:26:28,193 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 [2022-11-25 23:26:28,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,254 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:28,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-25 23:26:28,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:28,328 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:26:28,329 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 [2022-11-25 23:26:28,395 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:28,395 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 41 [2022-11-25 23:26:28,419 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 [2022-11-25 23:26:28,428 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 [2022-11-25 23:26:28,457 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:28,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:26:28,479 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 [2022-11-25 23:26:28,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,493 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 [2022-11-25 23:26:28,571 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:26:28,571 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 [2022-11-25 23:26:28,587 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:26:28,588 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 [2022-11-25 23:26:28,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,609 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:28,609 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 [2022-11-25 23:26:28,643 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:28,644 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 [2022-11-25 23:26:28,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 69 [2022-11-25 23:26:28,671 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 [2022-11-25 23:26:28,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:28,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,743 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-25 23:26:28,744 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 [2022-11-25 23:26:28,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:28,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:28,768 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:26:28,768 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 [2022-11-25 23:26:28,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:28,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:28,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:28,792 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:28,792 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 [2022-11-25 23:26:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:29,074 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-11-25 23:26:29,075 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 91 [2022-11-25 23:26:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:29,116 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-11-25 23:26:29,117 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 [2022-11-25 23:26:29,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:26:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:29,153 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 [2022-11-25 23:26:29,323 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-25 23:26:29,324 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 [2022-11-25 23:26:29,598 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:29,599 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 [2022-11-25 23:26:29,659 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:29,659 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 [2022-11-25 23:26:29,727 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 11 treesize of output 7 [2022-11-25 23:26:29,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:29,743 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 15 treesize of output 1 [2022-11-25 23:26:29,769 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:26:29,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-25 23:26:29,791 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:26:29,792 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 [2022-11-25 23:26:29,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:29,799 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 [2022-11-25 23:26:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:29,806 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 [2022-11-25 23:26:29,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 23:26:29,854 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:26:33,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [840442204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:33,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:26:33,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [9, 10, 10] total 44 [2022-11-25 23:26:33,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820815263] [2022-11-25 23:26:33,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:33,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 23:26:33,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:33,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 23:26:33,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=1645, Unknown=0, NotChecked=0, Total=1980 [2022-11-25 23:26:33,585 INFO L87 Difference]: Start difference. First operand 139 states and 187 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) [2022-11-25 23:26:35,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:35,725 INFO L93 Difference]: Finished difference Result 171 states and 207 transitions. [2022-11-25 23:26:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 23:26:35,725 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 [2022-11-25 23:26:35,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:35,726 INFO L225 Difference]: With dead ends: 171 [2022-11-25 23:26:35,726 INFO L226 Difference]: Without dead ends: 171 [2022-11-25 23:26:35,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=459, Invalid=2403, Unknown=0, NotChecked=0, Total=2862 [2022-11-25 23:26:35,728 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 128 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:35,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 199 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:26:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-25 23:26:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2022-11-25 23:26:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 111 states have (on average 1.8288288288288288) internal successors, (203), 148 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 203 transitions. [2022-11-25 23:26:35,732 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 203 transitions. Word has length 34 [2022-11-25 23:26:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:35,732 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 203 transitions. [2022-11-25 23:26:35,733 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) [2022-11-25 23:26:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 203 transitions. [2022-11-25 23:26:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:26:35,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:35,733 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] [2022-11-25 23:26:35,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 23:26:35,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-25 23:26:35,940 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)] === [2022-11-25 23:26:35,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379725, now seen corresponding path program 1 times [2022-11-25 23:26:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:35,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575404846] [2022-11-25 23:26:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:35,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:36,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:36,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575404846] [2022-11-25 23:26:36,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575404846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:26:36,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961097245] [2022-11-25 23:26:36,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:36,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:26:36,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:36,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:26:36,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 23:26:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:37,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-25 23:26:37,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:26:37,010 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 [2022-11-25 23:26:37,098 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:26:37,098 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 [2022-11-25 23:26:37,186 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:26:37,186 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 [2022-11-25 23:26:37,366 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 [2022-11-25 23:26:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:37,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-11-25 23:26:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:37,801 INFO L321 Elim1Store]: treesize reduction 19, result has 38.7 percent of original size [2022-11-25 23:26:37,802 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 [2022-11-25 23:26:37,807 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 [2022-11-25 23:26:38,158 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 [2022-11-25 23:26:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:38,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:26:38,435 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 [2022-11-25 23:26:38,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:38,546 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 [2022-11-25 23:26:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:41,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961097245] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:26:41,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [745642345] [2022-11-25 23:26:41,702 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-25 23:26:41,703 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:26:41,703 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:26:41,703 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:26:41,703 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:26:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,745 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 [2022-11-25 23:26:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,763 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 [2022-11-25 23:26:41,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:26:41,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:26:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,805 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 [2022-11-25 23:26:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,816 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 [2022-11-25 23:26:41,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,826 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 [2022-11-25 23:26:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,839 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 [2022-11-25 23:26:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,862 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 [2022-11-25 23:26:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,877 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 [2022-11-25 23:26:41,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,890 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 [2022-11-25 23:26:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:26:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:26:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,942 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 [2022-11-25 23:26:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:41,979 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 [2022-11-25 23:26:42,038 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:26:42,038 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 [2022-11-25 23:26:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,056 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 [2022-11-25 23:26:42,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,074 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 [2022-11-25 23:26:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,140 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:42,141 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 [2022-11-25 23:26:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,166 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 [2022-11-25 23:26:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,212 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 [2022-11-25 23:26:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,235 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 52 treesize of output 49 [2022-11-25 23:26:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:26:42,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:26:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,298 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 [2022-11-25 23:26:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,358 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 [2022-11-25 23:26:42,410 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:26:42,410 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 [2022-11-25 23:26:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,429 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 [2022-11-25 23:26:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,447 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 [2022-11-25 23:26:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,515 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:42,515 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 [2022-11-25 23:26:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,561 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 [2022-11-25 23:26:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,584 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 [2022-11-25 23:26:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,606 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 [2022-11-25 23:26:42,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,771 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:26:42,771 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 [2022-11-25 23:26:42,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,816 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:42,816 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 [2022-11-25 23:26:42,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,883 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-25 23:26:42,884 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 [2022-11-25 23:26:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:42,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,006 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:43,007 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 [2022-11-25 23:26:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,079 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:26:43,080 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 [2022-11-25 23:26:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,155 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-25 23:26:43,155 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 [2022-11-25 23:26:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,274 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:26:43,274 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 [2022-11-25 23:26:43,403 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:26:43,404 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 [2022-11-25 23:26:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:43,487 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:26:43,487 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 [2022-11-25 23:26:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:43,786 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:26:43,786 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 [2022-11-25 23:26:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:44,021 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:26:44,022 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 [2022-11-25 23:26:44,336 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:26:44,336 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 [2022-11-25 23:26:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:44,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:44,409 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:44,410 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 [2022-11-25 23:26:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:44,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:44,727 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:26:44,727 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 [2022-11-25 23:26:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:44,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:44,981 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:26:44,982 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 [2022-11-25 23:26:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,307 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:26:45,308 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 [2022-11-25 23:26:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,454 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:26:45,455 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 [2022-11-25 23:26:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,618 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:26:45,618 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 [2022-11-25 23:26:45,851 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:26:45,852 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 [2022-11-25 23:26:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:45,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:45,931 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:26:45,932 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 [2022-11-25 23:26:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:46,217 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:26:46,218 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 [2022-11-25 23:26:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:46,457 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:26:46,457 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 [2022-11-25 23:26:46,640 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:26:46,640 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 [2022-11-25 23:26:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:46,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:46,713 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:26:46,714 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 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-11-25 23:26:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:46,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:47,047 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:26:47,048 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 [2022-11-25 23:26:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:47,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:47,321 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:26:47,322 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 [2022-11-25 23:26:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:47,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:47,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:47,465 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:26:47,465 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 [2022-11-25 23:26:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:47,774 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:26:47,775 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 [2022-11-25 23:26:47,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:47,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:47,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:47,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:26:47,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:47,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:26:47,984 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:47,992 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 27 treesize of output 22 [2022-11-25 23:26:48,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:48,062 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:26:48,062 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 [2022-11-25 23:26:48,127 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:48,128 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 [2022-11-25 23:26:48,144 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 [2022-11-25 23:26:48,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 69 [2022-11-25 23:26:48,167 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:48,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:26:48,186 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 [2022-11-25 23:26:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:48,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 72 [2022-11-25 23:26:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:48,215 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:48,215 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 [2022-11-25 23:26:48,281 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:26:48,281 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 [2022-11-25 23:26:48,298 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:26:48,298 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 [2022-11-25 23:26:48,335 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 [2022-11-25 23:26:48,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 74 [2022-11-25 23:26:48,365 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:48,365 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 [2022-11-25 23:26:48,382 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:48,390 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:48,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:48,456 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:26:48,456 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 [2022-11-25 23:26:48,520 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:48,520 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 [2022-11-25 23:26:48,544 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:48,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:26:48,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 48 [2022-11-25 23:26:48,567 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 [2022-11-25 23:26:48,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:48,588 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 [2022-11-25 23:26:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:48,603 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:48,603 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 [2022-11-25 23:26:48,663 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:26:48,663 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 [2022-11-25 23:26:48,747 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:26:48,747 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 [2022-11-25 23:26:48,763 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 [2022-11-25 23:26:48,783 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 11 treesize of output 7 [2022-11-25 23:26:48,788 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 [2022-11-25 23:26:48,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:48,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:48,808 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 [2022-11-25 23:26:48,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:48,826 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:26:48,846 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:26:48,847 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 [2022-11-25 23:26:48,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:48,913 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:26:48,913 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 [2022-11-25 23:26:48,982 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:48,982 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 [2022-11-25 23:26:48,999 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 [2022-11-25 23:26:49,007 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 [2022-11-25 23:26:49,025 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:26:49,025 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 [2022-11-25 23:26:49,042 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 [2022-11-25 23:26:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,056 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 [2022-11-25 23:26:49,127 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:26:49,127 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 [2022-11-25 23:26:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,166 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:26:49,166 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 [2022-11-25 23:26:49,268 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:26:49,269 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 [2022-11-25 23:26:49,298 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 [2022-11-25 23:26:49,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:49,317 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 [2022-11-25 23:26:49,328 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 [2022-11-25 23:26:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,413 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-25 23:26:49,413 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 [2022-11-25 23:26:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:49,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:49,438 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:26:49,439 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 [2022-11-25 23:26:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:49,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:49,468 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:49,468 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 [2022-11-25 23:26:49,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,746 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-25 23:26:49,747 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 [2022-11-25 23:26:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,784 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-25 23:26:49,784 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 75 [2022-11-25 23:26:49,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:49,820 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 [2022-11-25 23:26:50,022 INFO L321 Elim1Store]: treesize reduction 166, result has 33.1 percent of original size [2022-11-25 23:26:50,022 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 [2022-11-25 23:26:51,064 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:51,064 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 [2022-11-25 23:26:51,121 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,121 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 [2022-11-25 23:26:51,183 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,184 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 [2022-11-25 23:26:51,249 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,249 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 [2022-11-25 23:26:51,315 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,315 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 [2022-11-25 23:26:51,357 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,357 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 [2022-11-25 23:26:51,416 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,416 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 [2022-11-25 23:26:51,460 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,460 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 [2022-11-25 23:26:51,590 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:51,591 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 [2022-11-25 23:26:51,637 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,637 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 [2022-11-25 23:26:51,709 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,709 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 [2022-11-25 23:26:51,769 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,770 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 [2022-11-25 23:26:51,824 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,824 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 [2022-11-25 23:26:51,850 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:51,889 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:51,958 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:51,959 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 [2022-11-25 23:26:51,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:52,029 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:52,079 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:52,079 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 [2022-11-25 23:26:52,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:26:52,153 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:52,153 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 [2022-11-25 23:26:52,204 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:26:52,204 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 [2022-11-25 23:26:52,308 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:26:52,308 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 [2022-11-25 23:26:52,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:26:52,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:26:52,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:52,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-25 23:26:52,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:26:52,554 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:26:52,554 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 [2022-11-25 23:26:52,563 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 [2022-11-25 23:26:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:52,573 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 [2022-11-25 23:26:52,617 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:26:57,692 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11305#(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 [2022-11-25 23:26:57,692 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:26:57,692 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:26:57,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 15] total 36 [2022-11-25 23:26:57,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994488816] [2022-11-25 23:26:57,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:26:57,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-25 23:26:57,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:57,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-25 23:26:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=3370, Unknown=0, NotChecked=0, Total=3782 [2022-11-25 23:26:57,696 INFO L87 Difference]: Start difference. First operand 149 states and 203 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) [2022-11-25 23:27:01,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:01,850 INFO L93 Difference]: Finished difference Result 278 states and 318 transitions. [2022-11-25 23:27:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-25 23:27:01,851 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 [2022-11-25 23:27:01,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:01,852 INFO L225 Difference]: With dead ends: 278 [2022-11-25 23:27:01,852 INFO L226 Difference]: Without dead ends: 278 [2022-11-25 23:27:01,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 53 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3246 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=887, Invalid=8043, Unknown=0, NotChecked=0, Total=8930 [2022-11-25 23:27:01,855 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 427 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:01,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 436 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 23:27:01,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-11-25 23:27:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 149. [2022-11-25 23:27:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 111 states have (on average 1.8198198198198199) internal successors, (202), 148 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) [2022-11-25 23:27:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 202 transitions. [2022-11-25 23:27:01,859 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 202 transitions. Word has length 34 [2022-11-25 23:27:01,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:01,860 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 202 transitions. [2022-11-25 23:27:01,860 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) [2022-11-25 23:27:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2022-11-25 23:27:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:27:01,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:01,861 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] [2022-11-25 23:27:01,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 23:27:02,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:02,067 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)] === [2022-11-25 23:27:02,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:02,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379724, now seen corresponding path program 1 times [2022-11-25 23:27:02,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:02,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128250924] [2022-11-25 23:27:02,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:03,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:03,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128250924] [2022-11-25 23:27:03,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128250924] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:27:03,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554256386] [2022-11-25 23:27:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:03,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:03,370 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:03,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 23:27:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:03,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-25 23:27:03,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:27:03,619 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 [2022-11-25 23:27:03,724 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 [2022-11-25 23:27:03,756 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:27:03,756 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 [2022-11-25 23:27:03,866 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:27:03,866 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 [2022-11-25 23:27:03,904 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-25 23:27:03,904 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 [2022-11-25 23:27:04,120 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 [2022-11-25 23:27:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:04,208 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 [2022-11-25 23:27:04,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-25 23:27:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:04,590 INFO L321 Elim1Store]: treesize reduction 19, result has 38.7 percent of original size [2022-11-25 23:27:04,591 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 [2022-11-25 23:27:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:04,915 INFO L321 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size [2022-11-25 23:27:04,916 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 [2022-11-25 23:27:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:05,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:27:06,177 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:06,177 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 [2022-11-25 23:27:10,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:10,288 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:10,288 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 [2022-11-25 23:27:10,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:10,748 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:27:10,748 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 [2022-11-25 23:27:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:10,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:10,764 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 [2022-11-25 23:27:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:10,940 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 [2022-11-25 23:27:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:15,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554256386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:27:15,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [870263205] [2022-11-25 23:27:15,153 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-25 23:27:15,153 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:27:15,153 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:27:15,154 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:27:15,154 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:27:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,189 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 [2022-11-25 23:27:15,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,215 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 [2022-11-25 23:27:15,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:15,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,238 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 [2022-11-25 23:27:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,249 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 [2022-11-25 23:27:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,263 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 [2022-11-25 23:27:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,278 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 [2022-11-25 23:27:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,307 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 [2022-11-25 23:27:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,327 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 [2022-11-25 23:27:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,340 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 [2022-11-25 23:27:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,402 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 [2022-11-25 23:27:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,456 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 [2022-11-25 23:27:15,529 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:27:15,529 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 [2022-11-25 23:27:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,553 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 [2022-11-25 23:27:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,574 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 [2022-11-25 23:27:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:15,673 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:27:15,673 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 [2022-11-25 23:27:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,706 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 [2022-11-25 23:27:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,774 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 [2022-11-25 23:27:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,804 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 [2022-11-25 23:27:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:27:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,856 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 [2022-11-25 23:27:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:15,924 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 [2022-11-25 23:27:15,987 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:27:15,987 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 [2022-11-25 23:27:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,006 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 [2022-11-25 23:27:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,025 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 [2022-11-25 23:27:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,096 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:27:16,096 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 [2022-11-25 23:27:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,123 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 [2022-11-25 23:27:16,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,150 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 [2022-11-25 23:27:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,205 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 [2022-11-25 23:27:16,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,346 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:27:16,347 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 [2022-11-25 23:27:16,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,438 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-11-25 23:27:16,438 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 [2022-11-25 23:27:16,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,514 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:27:16,514 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 [2022-11-25 23:27:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,652 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:27:16,653 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 [2022-11-25 23:27:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,733 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-25 23:27:16,733 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 [2022-11-25 23:27:16,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,778 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:27:16,778 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 [2022-11-25 23:27:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:16,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:16,894 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:27:16,895 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 [2022-11-25 23:27:17,038 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:27:17,039 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 [2022-11-25 23:27:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:17,125 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:27:17,125 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 [2022-11-25 23:27:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,448 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:27:17,448 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 [2022-11-25 23:27:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,693 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:27:17,693 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 [2022-11-25 23:27:17,867 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:27:17,868 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 [2022-11-25 23:27:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:17,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:17,934 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:27:17,934 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 [2022-11-25 23:27:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,273 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:27:18,273 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 [2022-11-25 23:27:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,646 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:27:18,646 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 [2022-11-25 23:27:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:18,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:18,801 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:27:18,801 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 [2022-11-25 23:27:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,120 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:27:19,120 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 [2022-11-25 23:27:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:19,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:19,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:19,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:19,277 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-25 23:27:19,277 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 [2022-11-25 23:27:19,417 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-11-25 23:27:19,418 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 [2022-11-25 23:27:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:19,496 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-11-25 23:27:19,497 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 [2022-11-25 23:27:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:19,788 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-11-25 23:27:19,789 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 [2022-11-25 23:27:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,035 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-11-25 23:27:20,036 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 [2022-11-25 23:27:20,233 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-11-25 23:27:20,234 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 [2022-11-25 23:27:20,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:20,307 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-25 23:27:20,308 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 [2022-11-25 23:27:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:20,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,703 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-11-25 23:27:20,703 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 [2022-11-25 23:27:20,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:21,087 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-11-25 23:27:21,087 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 [2022-11-25 23:27:21,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:21,436 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-11-25 23:27:21,437 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 [2022-11-25 23:27:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:21,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:21,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:21,593 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-11-25 23:27:21,594 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 [2022-11-25 23:27:21,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:21,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:21,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:21,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:21,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:21,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:27:21,777 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:21,782 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 27 treesize of output 1 [2022-11-25 23:27:21,789 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:21,850 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:27:21,850 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 [2022-11-25 23:27:21,915 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:21,915 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 [2022-11-25 23:27:21,931 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 [2022-11-25 23:27:21,940 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 [2022-11-25 23:27:21,956 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:21,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:27:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:21,987 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 [2022-11-25 23:27:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,002 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:22,003 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 [2022-11-25 23:27:22,081 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:27:22,081 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 [2022-11-25 23:27:22,096 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:27:22,097 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 [2022-11-25 23:27:22,112 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 [2022-11-25 23:27:22,137 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 [2022-11-25 23:27:22,148 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 [2022-11-25 23:27:22,169 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:22,169 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 [2022-11-25 23:27:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,191 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:22,211 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:27:22,212 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 [2022-11-25 23:27:22,219 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 27 treesize of output 1 [2022-11-25 23:27:22,274 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:22,274 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 [2022-11-25 23:27:22,287 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:27:22,287 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 [2022-11-25 23:27:22,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2022-11-25 23:27:22,337 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:22,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:27:22,349 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 [2022-11-25 23:27:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,368 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 [2022-11-25 23:27:22,440 INFO L321 Elim1Store]: treesize reduction 42, result has 51.2 percent of original size [2022-11-25 23:27:22,440 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 [2022-11-25 23:27:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,473 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:22,474 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 [2022-11-25 23:27:22,547 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:27:22,548 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 [2022-11-25 23:27:22,563 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 [2022-11-25 23:27:22,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:22,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:22,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:22,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:22,611 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 15 treesize of output 1 [2022-11-25 23:27:22,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:22,631 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:22,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-25 23:27:22,647 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:22,720 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:27:22,721 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 [2022-11-25 23:27:22,803 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:22,803 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 41 [2022-11-25 23:27:22,819 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 [2022-11-25 23:27:22,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 48 [2022-11-25 23:27:22,843 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:22,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:27:22,860 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 [2022-11-25 23:27:22,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:22,874 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 [2022-11-25 23:27:22,932 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:27:22,933 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 [2022-11-25 23:27:23,030 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:27:23,031 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 [2022-11-25 23:27:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,052 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:23,052 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 [2022-11-25 23:27:23,078 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 [2022-11-25 23:27:23,094 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:23,095 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 [2022-11-25 23:27:23,107 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 [2022-11-25 23:27:23,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:23,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,178 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-25 23:27:23,178 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 [2022-11-25 23:27:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:23,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:23,202 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:27:23,203 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 [2022-11-25 23:27:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:23,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:23,226 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:27:23,226 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 [2022-11-25 23:27:23,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,516 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-11-25 23:27:23,516 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 [2022-11-25 23:27:23,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,563 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-11-25 23:27:23,563 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 [2022-11-25 23:27:23,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:23,591 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 [2022-11-25 23:27:23,762 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-25 23:27:23,763 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 [2022-11-25 23:27:24,331 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:24,332 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 [2022-11-25 23:27:24,369 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,369 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 [2022-11-25 23:27:24,409 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,410 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 [2022-11-25 23:27:24,456 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,456 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 [2022-11-25 23:27:24,558 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:24,558 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 [2022-11-25 23:27:24,631 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,632 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 [2022-11-25 23:27:24,672 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,673 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 [2022-11-25 23:27:24,711 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:24,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:24,786 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,786 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 [2022-11-25 23:27:24,841 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,841 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 [2022-11-25 23:27:24,892 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:24,893 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 [2022-11-25 23:27:24,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:24,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:25,008 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 [2022-11-25 23:27:25,035 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:27:25,036 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 [2022-11-25 23:27:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:25,043 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:25,050 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:25,075 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:27:25,075 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 [2022-11-25 23:27:25,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:25,157 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:27:30,568 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12064#(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 [2022-11-25 23:27:30,568 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:27:30,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:27:30,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 40 [2022-11-25 23:27:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425591431] [2022-11-25 23:27:30,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:27:30,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-25 23:27:30,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:30,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-25 23:27:30,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=3881, Unknown=0, NotChecked=0, Total=4290 [2022-11-25 23:27:30,571 INFO L87 Difference]: Start difference. First operand 149 states and 202 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) [2022-11-25 23:27:37,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:37,871 INFO L93 Difference]: Finished difference Result 307 states and 346 transitions. [2022-11-25 23:27:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-25 23:27:37,872 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 [2022-11-25 23:27:37,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:37,873 INFO L225 Difference]: With dead ends: 307 [2022-11-25 23:27:37,873 INFO L226 Difference]: Without dead ends: 307 [2022-11-25 23:27:37,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3715 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1051, Invalid=9869, Unknown=0, NotChecked=0, Total=10920 [2022-11-25 23:27:37,876 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 763 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:37,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 340 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-25 23:27:37,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-11-25 23:27:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 160. [2022-11-25 23:27:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 122 states have (on average 1.8114754098360655) internal successors, (221), 159 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:27:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2022-11-25 23:27:37,881 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 221 transitions. Word has length 34 [2022-11-25 23:27:37,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:37,882 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 221 transitions. [2022-11-25 23:27:37,882 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) [2022-11-25 23:27:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 221 transitions. [2022-11-25 23:27:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 23:27:37,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:37,883 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] [2022-11-25 23:27:37,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-25 23:27:38,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:38,091 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)] === [2022-11-25 23:27:38,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:38,092 INFO L85 PathProgramCache]: Analyzing trace with hash 884437312, now seen corresponding path program 1 times [2022-11-25 23:27:38,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:38,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190720210] [2022-11-25 23:27:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:38,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:38,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:38,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190720210] [2022-11-25 23:27:38,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190720210] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:27:38,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601520983] [2022-11-25 23:27:38,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:38,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:27:38,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:38,883 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:27:38,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 23:27:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:39,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-25 23:27:39,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:27:39,208 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 [2022-11-25 23:27:39,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:39,399 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:27:39,399 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 [2022-11-25 23:27:39,466 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:39,514 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:39,541 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-25 23:27:39,541 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 [2022-11-25 23:27:39,657 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:39,675 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 [2022-11-25 23:27:39,692 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:39,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:39,797 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:39,797 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 [2022-11-25 23:27:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:39,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:27:39,968 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 [2022-11-25 23:27:39,979 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 [2022-11-25 23:27:40,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:40,275 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:40,292 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:40,292 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 [2022-11-25 23:27:40,303 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 [2022-11-25 23:27:40,311 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 [2022-11-25 23:27:40,320 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 [2022-11-25 23:27:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:27:40,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601520983] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:27:40,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1283943561] [2022-11-25 23:27:40,791 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-25 23:27:40,792 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:27:40,792 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:27:40,792 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:27:40,792 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:27:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,839 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 [2022-11-25 23:27:40,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:27:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,866 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 [2022-11-25 23:27:40,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,896 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 [2022-11-25 23:27:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-25 23:27:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,917 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 [2022-11-25 23:27:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,928 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 [2022-11-25 23:27:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,956 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 [2022-11-25 23:27:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,969 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 [2022-11-25 23:27:40,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:40,985 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 [2022-11-25 23:27:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,047 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 [2022-11-25 23:27:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,097 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 [2022-11-25 23:27:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,167 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:27:41,167 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 [2022-11-25 23:27:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,188 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 [2022-11-25 23:27:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,212 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 [2022-11-25 23:27:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:41,278 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:27:41,278 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 [2022-11-25 23:27:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,306 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 [2022-11-25 23:27:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,359 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 [2022-11-25 23:27:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,389 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 [2022-11-25 23:27:41,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2022-11-25 23:27:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,464 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 [2022-11-25 23:27:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,529 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 [2022-11-25 23:27:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,588 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:27:41,588 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 [2022-11-25 23:27:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,611 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 [2022-11-25 23:27:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,631 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 [2022-11-25 23:27:41,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:41,697 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-25 23:27:41,697 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 [2022-11-25 23:27:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,721 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 [2022-11-25 23:27:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,771 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 [2022-11-25 23:27:41,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,799 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 [2022-11-25 23:27:41,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:41,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:41,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:41,986 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-25 23:27:41,987 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 [2022-11-25 23:27:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,070 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-25 23:27:42,071 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 [2022-11-25 23:27:42,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,112 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:27:42,112 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 [2022-11-25 23:27:42,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,220 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:27:42,221 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 [2022-11-25 23:27:42,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,285 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-11-25 23:27:42,285 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 [2022-11-25 23:27:42,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,357 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-11-25 23:27:42,357 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 [2022-11-25 23:27:42,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,472 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-25 23:27:42,473 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 [2022-11-25 23:27:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,598 INFO L321 Elim1Store]: treesize reduction 306, result has 13.6 percent of original size [2022-11-25 23:27:42,599 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 [2022-11-25 23:27:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,671 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-25 23:27:42,672 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 [2022-11-25 23:27:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:42,895 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-25 23:27:42,895 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 [2022-11-25 23:27:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,141 INFO L321 Elim1Store]: treesize reduction 268, result has 11.0 percent of original size [2022-11-25 23:27:43,142 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 [2022-11-25 23:27:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,309 INFO L321 Elim1Store]: treesize reduction 368, result has 12.0 percent of original size [2022-11-25 23:27:43,309 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 [2022-11-25 23:27:43,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:43,375 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:27:43,375 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 [2022-11-25 23:27:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,724 INFO L321 Elim1Store]: treesize reduction 406, result has 10.6 percent of original size [2022-11-25 23:27:43,725 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 [2022-11-25 23:27:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,096 INFO L321 Elim1Store]: treesize reduction 476, result has 8.8 percent of original size [2022-11-25 23:27:44,097 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 [2022-11-25 23:27:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,423 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-25 23:27:44,424 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 [2022-11-25 23:27:44,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,555 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-25 23:27:44,555 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 [2022-11-25 23:27:44,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,728 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-25 23:27:44,729 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 [2022-11-25 23:27:44,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,867 INFO L321 Elim1Store]: treesize reduction 306, result has 13.6 percent of original size [2022-11-25 23:27:44,868 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 [2022-11-25 23:27:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:44,945 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-11-25 23:27:44,946 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 [2022-11-25 23:27:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,195 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-11-25 23:27:45,196 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 [2022-11-25 23:27:45,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,446 INFO L321 Elim1Store]: treesize reduction 268, result has 11.0 percent of original size [2022-11-25 23:27:45,447 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 [2022-11-25 23:27:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,614 INFO L321 Elim1Store]: treesize reduction 368, result has 12.0 percent of original size [2022-11-25 23:27:45,615 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 [2022-11-25 23:27:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:45,678 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:27:45,679 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 [2022-11-25 23:27:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:46,031 INFO L321 Elim1Store]: treesize reduction 406, result has 10.6 percent of original size [2022-11-25 23:27:46,031 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 [2022-11-25 23:27:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:46,412 INFO L321 Elim1Store]: treesize reduction 476, result has 8.8 percent of original size [2022-11-25 23:27:46,412 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 [2022-11-25 23:27:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:46,755 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-11-25 23:27:46,755 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 [2022-11-25 23:27:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:46,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:46,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:46,879 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-11-25 23:27:46,880 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 [2022-11-25 23:27:47,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:27:47,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:27:47,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:27:47,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:47,074 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:47,093 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:27:47,094 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 [2022-11-25 23:27:47,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,156 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:27:47,156 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 [2022-11-25 23:27:47,221 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:47,221 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 [2022-11-25 23:27:47,239 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 [2022-11-25 23:27:47,247 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 [2022-11-25 23:27:47,262 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:27:47,262 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 [2022-11-25 23:27:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:47,287 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 [2022-11-25 23:27:47,353 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:27:47,354 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 [2022-11-25 23:27:47,371 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:27:47,371 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 [2022-11-25 23:27:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:47,390 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:27:47,390 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 [2022-11-25 23:27:47,405 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 [2022-11-25 23:27:47,426 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 [2022-11-25 23:27:47,445 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 23:27:47,445 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 [2022-11-25 23:27:47,456 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 [2022-11-25 23:27:47,478 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:47,486 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:47,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-11-25 23:27:47,551 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:27:47,551 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 [2022-11-25 23:27:47,616 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:47,616 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 [2022-11-25 23:27:47,634 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 [2022-11-25 23:27:47,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 64 [2022-11-25 23:27:47,659 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:47,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:27:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:47,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:47,691 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 [2022-11-25 23:27:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:47,702 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 [2022-11-25 23:27:47,757 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:27:47,758 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 [2022-11-25 23:27:47,843 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:27:47,844 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 [2022-11-25 23:27:47,861 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 [2022-11-25 23:27:47,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,888 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 11 treesize of output 7 [2022-11-25 23:27:47,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:47,927 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:27:47,947 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:27:47,948 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 [2022-11-25 23:27:47,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:48,015 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-25 23:27:48,015 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 [2022-11-25 23:27:48,081 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:48,081 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 [2022-11-25 23:27:48,100 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 [2022-11-25 23:27:48,115 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:48,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 [2022-11-25 23:27:48,128 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 [2022-11-25 23:27:48,147 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 [2022-11-25 23:27:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,187 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:48,188 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 [2022-11-25 23:27:48,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,201 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 [2022-11-25 23:27:48,259 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-11-25 23:27:48,260 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 [2022-11-25 23:27:48,349 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-25 23:27:48,350 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 [2022-11-25 23:27:48,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:27:48,386 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 [2022-11-25 23:27:48,396 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 [2022-11-25 23:27:48,411 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 [2022-11-25 23:27:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:48,485 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-11-25 23:27:48,486 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 [2022-11-25 23:27:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:48,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:48,510 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:27:48,511 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 [2022-11-25 23:27:48,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:48,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:27:48,536 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:27:48,536 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 [2022-11-25 23:27:48,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:48,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,821 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-11-25 23:27:48,821 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 [2022-11-25 23:27:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,857 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-11-25 23:27:48,857 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 [2022-11-25 23:27:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:48,880 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 [2022-11-25 23:27:49,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,231 INFO L321 Elim1Store]: treesize reduction 211, result has 29.9 percent of original size [2022-11-25 23:27:49,231 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 [2022-11-25 23:27:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:49,419 INFO L321 Elim1Store]: treesize reduction 194, result has 27.9 percent of original size [2022-11-25 23:27:49,419 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 [2022-11-25 23:27:49,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:49,636 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:49,654 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:49,834 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 [2022-11-25 23:27:50,298 INFO L321 Elim1Store]: treesize reduction 169, result has 27.2 percent of original size [2022-11-25 23:27:50,299 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 [2022-11-25 23:27:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:50,412 INFO L321 Elim1Store]: treesize reduction 158, result has 23.3 percent of original size [2022-11-25 23:27:50,412 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 [2022-11-25 23:27:50,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:27:50,450 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:50,451 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:50,481 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 [2022-11-25 23:27:50,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:27:50,677 INFO L321 Elim1Store]: treesize reduction 88, result has 40.1 percent of original size [2022-11-25 23:27:50,677 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 [2022-11-25 23:27:50,766 INFO L321 Elim1Store]: treesize reduction 70, result has 43.1 percent of original size [2022-11-25 23:27:50,766 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 [2022-11-25 23:27:50,784 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:50,785 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:50,806 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 [2022-11-25 23:27:50,819 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-25 23:27:51,014 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-11-25 23:27:51,014 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 [2022-11-25 23:27:51,927 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:51,928 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 [2022-11-25 23:27:52,000 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:52,000 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 [2022-11-25 23:27:52,061 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,061 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 [2022-11-25 23:27:52,111 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,111 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 [2022-11-25 23:27:52,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:52,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:52,204 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,204 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 [2022-11-25 23:27:52,254 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,254 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 [2022-11-25 23:27:52,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:52,314 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:27:52,353 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,353 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 [2022-11-25 23:27:52,469 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-11-25 23:27:52,470 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 [2022-11-25 23:27:52,545 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,545 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 [2022-11-25 23:27:52,600 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,601 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 [2022-11-25 23:27:52,651 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,651 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 [2022-11-25 23:27:52,720 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,720 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 [2022-11-25 23:27:52,770 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,770 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 [2022-11-25 23:27:52,856 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,856 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 [2022-11-25 23:27:52,918 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,919 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 [2022-11-25 23:27:52,980 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-11-25 23:27:52,981 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 [2022-11-25 23:27:53,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:53,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:27:53,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 [2022-11-25 23:27:53,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 23:27:53,167 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:27:53,167 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 [2022-11-25 23:27:53,192 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:27:53,193 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 [2022-11-25 23:27:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:53,201 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 [2022-11-25 23:27:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:27:53,210 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 [2022-11-25 23:27:53,254 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:27:57,955 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12884#(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 [2022-11-25 23:27:57,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:27:57,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:27:57,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 12] total 32 [2022-11-25 23:27:57,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671924796] [2022-11-25 23:27:57,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:27:57,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-25 23:27:57,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:57,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-25 23:27:57,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=2928, Unknown=3, NotChecked=222, Total=3422 [2022-11-25 23:27:57,958 INFO L87 Difference]: Start difference. First operand 160 states and 221 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) [2022-11-25 23:28:00,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:00,494 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2022-11-25 23:28:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 23:28:00,495 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 [2022-11-25 23:28:00,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:00,496 INFO L225 Difference]: With dead ends: 226 [2022-11-25 23:28:00,496 INFO L226 Difference]: Without dead ends: 226 [2022-11-25 23:28:00,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2130 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=667, Invalid=5658, Unknown=3, NotChecked=314, Total=6642 [2022-11-25 23:28:00,497 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 247 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 248 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:00,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 856 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1282 Invalid, 0 Unknown, 248 Unchecked, 1.3s Time] [2022-11-25 23:28:00,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-11-25 23:28:00,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 159. [2022-11-25 23:28:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 121 states have (on average 1.8016528925619835) internal successors, (218), 158 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:28:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 218 transitions. [2022-11-25 23:28:00,501 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 218 transitions. Word has length 37 [2022-11-25 23:28:00,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:00,502 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 218 transitions. [2022-11-25 23:28:00,502 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) [2022-11-25 23:28:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2022-11-25 23:28:00,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 23:28:00,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:00,503 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] [2022-11-25 23:28:00,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 23:28:00,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-11-25 23:28:00,707 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)] === [2022-11-25 23:28:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash 880683646, now seen corresponding path program 1 times [2022-11-25 23:28:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:00,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594277489] [2022-11-25 23:28:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:00,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:28:01,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:01,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594277489] [2022-11-25 23:28:01,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594277489] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:28:01,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005250395] [2022-11-25 23:28:01,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:01,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:28:01,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:28:01,617 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:28:01,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab82a2d3-6e07-4dfc-82bb-8e482fde3cf7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-25 23:28:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:01,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-25 23:28:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:28:01,843 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 [2022-11-25 23:28:01,879 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 [2022-11-25 23:28:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:01,921 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:28:01,979 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:28:01,979 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 [2022-11-25 23:28:02,021 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:28:02,036 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:28:02,046 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:28:02,047 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 [2022-11-25 23:28:02,133 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:28:02,190 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 [2022-11-25 23:28:02,239 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:28:02,240 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 [2022-11-25 23:28:02,453 INFO L321 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2022-11-25 23:28:02,453 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 [2022-11-25 23:28:02,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:02,735 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 [2022-11-25 23:28:02,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:28:02,831 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:28:02,831 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 [2022-11-25 23:28:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:28:02,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:28:02,876 INFO L321 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2022-11-25 23:28:02,876 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 [2022-11-25 23:28:21,951 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:28:21,951 INFO L350 Elim1Store]: Elim1 eliminated variable 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 [2022-11-25 23:28:23,442 INFO L321 Elim1Store]: treesize reduction 734, result has 15.6 percent of original size [2022-11-25 23:28:23,449 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 [2022-11-25 23:28:58,343 WARN L233 SmtUtils]: Spent 34.89s 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) [2022-11-25 23:29:00,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:00,823 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:29:00,830 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 [2022-11-25 23:29:25,197 WARN L233 SmtUtils]: Spent 24.36s 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)