./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0a808cbaf75e35690b91e29e30a5a3e0888859a17f932e1ee324e5b23ddf983 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:34:19,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:34:19,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:34:19,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:34:19,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:34:19,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:34:19,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:34:19,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:34:19,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:34:19,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:34:20,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:34:20,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:34:20,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:34:20,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:34:20,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:34:20,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:34:20,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:34:20,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:34:20,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:34:20,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:34:20,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:34:20,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:34:20,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:34:20,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:34:20,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:34:20,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:34:20,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:34:20,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:34:20,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:34:20,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:34:20,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:34:20,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:34:20,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:34:20,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:34:20,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:34:20,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:34:20,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:34:20,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:34:20,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:34:20,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:34:20,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:34:20,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:34:20,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:34:20,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:34:20,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:34:20,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:34:20,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:34:20,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:34:20,106 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:34:20,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:34:20,107 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:34:20,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:34:20,108 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:34:20,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:34:20,109 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:34:20,109 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:34:20,109 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:34:20,109 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:34:20,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:34:20,110 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:34:20,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:34:20,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:34:20,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:34:20,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:34:20,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:34:20,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:34:20,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:34:20,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:34:20,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:34:20,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:34:20,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:34:20,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:34:20,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:34:20,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:34:20,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:34:20,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:34:20,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:34:20,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:34:20,116 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:34:20,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:34:20,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:34:20,116 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:34:20,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:34:20,117 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0a808cbaf75e35690b91e29e30a5a3e0888859a17f932e1ee324e5b23ddf983 [2021-11-21 00:34:20,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:34:20,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:34:20,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:34:20,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:34:20,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:34:20,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2021-11-21 00:34:20,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/data/ecfb73087/aa6b3a823e5a4c2e85d0df025ecb0363/FLAG06acb45a3 [2021-11-21 00:34:21,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:34:21,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2021-11-21 00:34:21,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/data/ecfb73087/aa6b3a823e5a4c2e85d0df025ecb0363/FLAG06acb45a3 [2021-11-21 00:34:21,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/data/ecfb73087/aa6b3a823e5a4c2e85d0df025ecb0363 [2021-11-21 00:34:21,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:34:21,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:34:21,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:34:21,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:34:21,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:34:21,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:21,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de5b5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21, skipping insertion in model container [2021-11-21 00:34:21,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:21,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:34:21,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:34:21,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2021-11-21 00:34:21,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:34:21,826 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:34:21,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2021-11-21 00:34:21,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:34:21,932 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:34:21,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21 WrapperNode [2021-11-21 00:34:21,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:34:21,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:34:21,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:34:21,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:34:21,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:21,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:21,998 INFO L137 Inliner]: procedures = 127, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 123 [2021-11-21 00:34:21,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:34:22,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:34:22,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:34:22,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:34:22,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:34:22,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:34:22,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:34:22,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:34:22,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (1/1) ... [2021-11-21 00:34:22,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:34:22,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:34:22,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:34:22,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:34:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-21 00:34:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-21 00:34:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:34:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:34:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:34:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:34:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:34:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:34:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:34:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:34:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:34:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:34:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:34:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:34:22,288 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:34:22,290 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:34:22,334 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-21 00:34:22,585 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:34:22,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:34:22,691 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 00:34:22,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:34:22 BoogieIcfgContainer [2021-11-21 00:34:22,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:34:22,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:34:22,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:34:22,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:34:22,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:34:21" (1/3) ... [2021-11-21 00:34:22,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7335d22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:34:22, skipping insertion in model container [2021-11-21 00:34:22,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:21" (2/3) ... [2021-11-21 00:34:22,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7335d22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:34:22, skipping insertion in model container [2021-11-21 00:34:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:34:22" (3/3) ... [2021-11-21 00:34:22,705 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_unequal.i [2021-11-21 00:34:22,712 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:34:22,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:34:22,767 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:34:22,776 INFO L339 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:34:22,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:34:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 15 states have (on average 1.6) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:34:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 00:34:22,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:34:22,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 00:34:22,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:34:22,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:34:22,822 INFO L85 PathProgramCache]: Analyzing trace with hash -181130984, now seen corresponding path program 1 times [2021-11-21 00:34:22,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:34:22,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374678663] [2021-11-21 00:34:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:34:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:34:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:34:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:34:23,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:34:23,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374678663] [2021-11-21 00:34:23,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374678663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:34:23,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:34:23,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:34:23,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089082079] [2021-11-21 00:34:23,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:34:23,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:34:23,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:34:23,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:34:23,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:34:23,151 INFO L87 Difference]: Start difference. First operand has 19 states, 15 states have (on average 1.6) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:34:23,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:34:23,239 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2021-11-21 00:34:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:34:23,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-21 00:34:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:34:23,249 INFO L225 Difference]: With dead ends: 37 [2021-11-21 00:34:23,249 INFO L226 Difference]: Without dead ends: 15 [2021-11-21 00:34:23,252 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:34:23,256 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:34:23,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:34:23,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-21 00:34:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2021-11-21 00:34:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2021-11-21 00:34:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-21 00:34:23,288 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 6 [2021-11-21 00:34:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:34:23,288 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-21 00:34:23,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:34:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-21 00:34:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:34:23,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:34:23,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:34:23,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:34:23,289 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:34:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:34:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash -171603972, now seen corresponding path program 1 times [2021-11-21 00:34:23,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:34:23,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530889024] [2021-11-21 00:34:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:34:23,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:34:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:34:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:34:23,362 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:34:23,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530889024] [2021-11-21 00:34:23,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530889024] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:34:23,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560264240] [2021-11-21 00:34:23,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:34:23,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:34:23,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:34:23,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:34:23,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:34:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:34:23,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:34:23,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:34:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:34:23,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:34:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:34:23,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560264240] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:34:23,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [520534317] [2021-11-21 00:34:23,678 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-21 00:34:23,686 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:34:23,694 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:34:23,700 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:34:23,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:34:23,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:23,862 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:34:23,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:34:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:23,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:34:24,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,061 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:34:24,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:34:24,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:34:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 56 treesize of output 47 [2021-11-21 00:34:24,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 00:34:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 26 [2021-11-21 00:34:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:24,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 26 [2021-11-21 00:34:24,822 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-11-21 00:34:24,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 262 treesize of output 271 [2021-11-21 00:34:24,930 INFO L354 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2021-11-21 00:34:24,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 case distinctions, treesize of input 268 treesize of output 284 [2021-11-21 00:34:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,583 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-11-21 00:34:26,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 418 treesize of output 404 [2021-11-21 00:34:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,617 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 00:34:26,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 case distinctions, treesize of input 403 treesize of output 388 [2021-11-21 00:34:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,643 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:26,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 384 treesize of output 375 [2021-11-21 00:34:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:26,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:26,785 INFO L354 Elim1Store]: treesize reduction 187, result has 17.6 percent of original size [2021-11-21 00:34:26,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 369 treesize of output 372 [2021-11-21 00:34:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:26,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 487 treesize of output 478 [2021-11-21 00:34:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:26,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:26,925 INFO L354 Elim1Store]: treesize reduction 301, result has 16.2 percent of original size [2021-11-21 00:34:26,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 472 treesize of output 475 [2021-11-21 00:34:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 29 [2021-11-21 00:34:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:27,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 47 [2021-11-21 00:34:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:28,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-11-21 00:34:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:28,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:28,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:28,844 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:34:28,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 173 treesize of output 90 [2021-11-21 00:34:29,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:29,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:29,420 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:34:29,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 40 [2021-11-21 00:34:29,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 00:34:29,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:34:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,019 INFO L354 Elim1Store]: treesize reduction 92, result has 24.6 percent of original size [2021-11-21 00:34:30,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 234 treesize of output 233 [2021-11-21 00:34:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,094 INFO L354 Elim1Store]: treesize reduction 132, result has 16.5 percent of original size [2021-11-21 00:34:30,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 275 treesize of output 264 [2021-11-21 00:34:30,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 306 treesize of output 291 [2021-11-21 00:34:30,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 291 treesize of output 275 [2021-11-21 00:34:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 57 treesize of output 11 [2021-11-21 00:34:30,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 36 treesize of output 20 [2021-11-21 00:34:30,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 23 [2021-11-21 00:34:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:30,712 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:34:30,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 33 [2021-11-21 00:34:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:30,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 96 treesize of output 56 [2021-11-21 00:34:31,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:34:31,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 00:34:31,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:31,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:38,700 WARN L227 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 174 DAG size of output: 109 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:34:38,701 INFO L354 Elim1Store]: treesize reduction 1032, result has 27.1 percent of original size [2021-11-21 00:34:38,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1199 treesize of output 1102 [2021-11-21 00:34:38,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:38,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:38,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:38,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:49,634 WARN L227 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 290 DAG size of output: 152 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:34:49,635 INFO L354 Elim1Store]: treesize reduction 1374, result has 22.6 percent of original size [2021-11-21 00:34:49,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 10 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 44 case distinctions, treesize of input 2332 treesize of output 1775 [2021-11-21 00:34:50,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:50,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2138 treesize of output 2123 [2021-11-21 00:34:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:50,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2114 treesize of output 2086 [2021-11-21 00:34:52,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:52,256 INFO L354 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2021-11-21 00:34:52,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 88 treesize of output 84 [2021-11-21 00:34:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:52,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:52,990 INFO L354 Elim1Store]: treesize reduction 32, result has 77.9 percent of original size [2021-11-21 00:34:52,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 220 treesize of output 278 [2021-11-21 00:34:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:55,089 INFO L354 Elim1Store]: treesize reduction 41, result has 37.9 percent of original size [2021-11-21 00:34:55,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 122 [2021-11-21 00:34:55,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2021-11-21 00:34:55,470 INFO L354 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2021-11-21 00:34:55,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 25 [2021-11-21 00:34:55,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:55,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:55,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 32 [2021-11-21 00:34:55,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:55,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:34:55,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 25 [2021-11-21 00:34:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:56,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:56,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:56,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:56,733 INFO L354 Elim1Store]: treesize reduction 69, result has 10.4 percent of original size [2021-11-21 00:34:56,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 690 treesize of output 529 [2021-11-21 00:34:58,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 45 [2021-11-21 00:34:58,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:58,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 45 [2021-11-21 00:34:59,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:34:59,651 INFO L354 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2021-11-21 00:34:59,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 86 treesize of output 82 [2021-11-21 00:34:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:59,912 INFO L354 Elim1Store]: treesize reduction 71, result has 23.7 percent of original size [2021-11-21 00:34:59,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 74 [2021-11-21 00:35:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 27 [2021-11-21 00:35:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:01,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 27 [2021-11-21 00:35:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:01,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:01,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:01,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 35 [2021-11-21 00:35:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:02,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 34 treesize of output 18 [2021-11-21 00:35:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:03,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 34 treesize of output 18 [2021-11-21 00:35:03,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:04,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:04,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 45 treesize of output 43 [2021-11-21 00:35:04,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:04,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:05,113 INFO L354 Elim1Store]: treesize reduction 105, result has 26.1 percent of original size [2021-11-21 00:35:05,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 62 treesize of output 82 [2021-11-21 00:35:05,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:05,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:05,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:05,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:05,508 INFO L354 Elim1Store]: treesize reduction 102, result has 28.2 percent of original size [2021-11-21 00:35:05,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 198 treesize of output 197 [2021-11-21 00:35:06,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:06,613 INFO L354 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2021-11-21 00:35:06,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 466 treesize of output 482 [2021-11-21 00:35:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:06,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2021-11-21 00:35:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:07,033 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:07,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 29 [2021-11-21 00:35:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 21 [2021-11-21 00:35:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:07,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 30 treesize of output 14 [2021-11-21 00:35:08,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:08,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 30 treesize of output 14 [2021-11-21 00:35:09,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:09,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:09,420 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-11-21 00:35:09,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 42 [2021-11-21 00:35:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:09,542 INFO L354 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2021-11-21 00:35:09,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 407 treesize of output 423 [2021-11-21 00:35:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 23 [2021-11-21 00:35:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:09,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 23 [2021-11-21 00:35:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-11-21 00:35:10,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 16 [2021-11-21 00:35:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:10,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 16 [2021-11-21 00:35:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:11,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:11,715 INFO L354 Elim1Store]: treesize reduction 26, result has 43.5 percent of original size [2021-11-21 00:35:11,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 459 treesize of output 478 [2021-11-21 00:35:11,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:11,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:11,872 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:35:11,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 19 [2021-11-21 00:35:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:12,214 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:35:12,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 19 [2021-11-21 00:35:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,269 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:12,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 30 [2021-11-21 00:35:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:12,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:13,031 INFO L354 Elim1Store]: treesize reduction 26, result has 77.4 percent of original size [2021-11-21 00:35:13,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 712 treesize of output 701 [2021-11-21 00:35:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:14,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:14,503 INFO L354 Elim1Store]: treesize reduction 15, result has 34.8 percent of original size [2021-11-21 00:35:14,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 823 treesize of output 701 [2021-11-21 00:35:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,728 INFO L354 Elim1Store]: treesize reduction 230, result has 22.6 percent of original size [2021-11-21 00:35:17,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 1478 treesize of output 1425 [2021-11-21 00:35:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,131 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:35:18,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 58 [2021-11-21 00:35:18,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:18,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 48 [2021-11-21 00:35:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,438 INFO L354 Elim1Store]: treesize reduction 76, result has 33.9 percent of original size [2021-11-21 00:35:18,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 750 treesize of output 690 [2021-11-21 00:35:21,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:21,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:21,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 69 [2021-11-21 00:35:21,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,786 INFO L354 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2021-11-21 00:35:21,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 743 treesize of output 703 [2021-11-21 00:35:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:28,362 INFO L354 Elim1Store]: treesize reduction 138, result has 51.9 percent of original size [2021-11-21 00:35:28,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1654 treesize of output 1586 [2021-11-21 00:35:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:38,295 INFO L354 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2021-11-21 00:35:38,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1900 treesize of output 1754 [2021-11-21 00:35:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 26 treesize of output 10 [2021-11-21 00:35:38,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:38,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2021-11-21 00:35:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:39,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 26 treesize of output 10 [2021-11-21 00:35:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:39,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 26 treesize of output 10 [2021-11-21 00:35:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:40,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:41,094 INFO L354 Elim1Store]: treesize reduction 114, result has 51.1 percent of original size [2021-11-21 00:35:41,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1300 treesize of output 1220 [2021-11-21 00:35:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,210 INFO L354 Elim1Store]: treesize reduction 170, result has 17.1 percent of original size [2021-11-21 00:35:49,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 8 new quantified variables, introduced 14 case distinctions, treesize of input 640 treesize of output 513 [2021-11-21 00:35:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:49,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 39 [2021-11-21 00:35:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,508 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:35:49,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 25 [2021-11-21 00:35:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,832 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:35:49,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 39 [2021-11-21 00:35:50,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:50,719 INFO L354 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2021-11-21 00:35:50,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 502 treesize of output 474 [2021-11-21 00:35:52,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:35:52,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 00:35:52,448 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:35:53,050 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:35:53,050 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:35:53,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2021-11-21 00:35:53,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771654382] [2021-11-21 00:35:53,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 00:35:53,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:35:53,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:35:53,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:35:53,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 00:35:53,053 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:35:53,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:35:53,106 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-21 00:35:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:35:53,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 9 [2021-11-21 00:35:53,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:35:53,107 INFO L225 Difference]: With dead ends: 24 [2021-11-21 00:35:53,107 INFO L226 Difference]: Without dead ends: 16 [2021-11-21 00:35:53,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 00:35:53,109 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:35:53,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:35:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-21 00:35:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-21 00:35:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 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) [2021-11-21 00:35:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-21 00:35:53,113 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 9 [2021-11-21 00:35:53,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:35:53,114 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-21 00:35:53,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:35:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-21 00:35:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 00:35:53,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:35:53,115 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-21 00:35:53,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:35:53,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:35:53,319 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:35:53,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:35:53,319 INFO L85 PathProgramCache]: Analyzing trace with hash 179768984, now seen corresponding path program 2 times [2021-11-21 00:35:53,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:35:53,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681013017] [2021-11-21 00:35:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:53,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:35:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:35:53,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:35:53,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681013017] [2021-11-21 00:35:53,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681013017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:35:53,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:35:53,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 00:35:53,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622046805] [2021-11-21 00:35:53,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:35:53,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 00:35:53,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:35:53,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 00:35:53,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:35:53,586 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2021-11-21 00:35:53,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:35:53,745 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2021-11-21 00:35:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:35:53,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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 [2021-11-21 00:35:53,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:35:53,746 INFO L225 Difference]: With dead ends: 18 [2021-11-21 00:35:53,747 INFO L226 Difference]: Without dead ends: 16 [2021-11-21 00:35:53,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-21 00:35:53,749 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 23 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:35:53,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 14 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:35:53,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-21 00:35:53,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-21 00:35:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:35:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-21 00:35:53,754 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2021-11-21 00:35:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:35:53,754 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-21 00:35:53,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2021-11-21 00:35:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-21 00:35:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:35:53,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:35:53,755 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:35:53,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:35:53,756 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:35:53,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:35:53,756 INFO L85 PathProgramCache]: Analyzing trace with hash 959379351, now seen corresponding path program 1 times [2021-11-21 00:35:53,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:35:53,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679427543] [2021-11-21 00:35:53,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:53,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:35:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:35:53,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:35:53,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679427543] [2021-11-21 00:35:53,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679427543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:35:53,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:35:53,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 00:35:53,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400351628] [2021-11-21 00:35:53,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:35:53,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:35:53,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:35:53,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:35:53,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:35:53,947 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:35:54,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:35:54,183 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-11-21 00:35:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:35:54,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-11-21 00:35:54,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:35:54,184 INFO L225 Difference]: With dead ends: 23 [2021-11-21 00:35:54,184 INFO L226 Difference]: Without dead ends: 20 [2021-11-21 00:35:54,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:35:54,186 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:35:54,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 14 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:35:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-21 00:35:54,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-11-21 00:35:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 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) [2021-11-21 00:35:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-21 00:35:54,190 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2021-11-21 00:35:54,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:35:54,191 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-21 00:35:54,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:35:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-21 00:35:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:35:54,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:35:54,191 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:35:54,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:35:54,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:35:54,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:35:54,192 INFO L85 PathProgramCache]: Analyzing trace with hash 959336819, now seen corresponding path program 1 times [2021-11-21 00:35:54,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:35:54,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462517321] [2021-11-21 00:35:54,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:54,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:35:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:35:54,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:35:54,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462517321] [2021-11-21 00:35:54,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462517321] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:35:54,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016170599] [2021-11-21 00:35:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:54,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:35:54,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:35:54,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:35:54,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879105b-d33f-40cd-924b-b9917616e9ee/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:35:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:54,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-21 00:35:54,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:35:54,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 00:35:54,786 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:35:54,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 00:35:54,949 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-11-21 00:35:54,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 136 treesize of output 124 [2021-11-21 00:35:54,992 INFO L354 Elim1Store]: treesize reduction 138, result has 13.8 percent of original size [2021-11-21 00:35:54,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 148 treesize of output 110 [2021-11-21 00:35:55,014 INFO L354 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2021-11-21 00:35:55,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 96 treesize of output 80 [2021-11-21 00:35:55,173 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-21 00:35:55,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 00:37:16,819 WARN L227 SmtUtils]: Spent 1.35m on a formula simplification. DAG size of input: 1061 DAG size of output: 323 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:37:16,820 INFO L354 Elim1Store]: treesize reduction 18900, result has 6.3 percent of original size [2021-11-21 00:37:16,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 19 new quantified variables, introduced 99 case distinctions, treesize of input 418182 treesize of output 259549 [2021-11-21 00:42:52,280 WARN L227 SmtUtils]: Spent 5.45m on a formula simplification. DAG size of input: 2468 DAG size of output: 819 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:42:52,283 INFO L354 Elim1Store]: treesize reduction 44230, result has 7.9 percent of original size [2021-11-21 00:42:52,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 30 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 36 new quantified variables, introduced 240 case distinctions, treesize of input 30999815 treesize of output 13612264 [2021-11-21 00:45:41,023 WARN L227 SmtUtils]: Spent 2.81m on a formula simplification. DAG size of input: 3001 DAG size of output: 2976 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 00:46:23,027 WARN L227 SmtUtils]: Spent 41.69s on a formula simplification that was a NOOP. DAG size: 2959 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 00:47:08,163 WARN L227 SmtUtils]: Spent 41.98s on a formula simplification that was a NOOP. DAG size: 2962 (called from [L 179] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate) [2021-11-21 00:47:50,015 WARN L227 SmtUtils]: Spent 41.84s on a formula simplification that was a NOOP. DAG size: 2955 (called from [L 184] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate)