./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:41:59,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:41:59,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:41:59,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:41:59,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:41:59,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:41:59,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:41:59,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:41:59,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:41:59,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:41:59,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:41:59,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:41:59,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:41:59,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:41:59,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:41:59,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:41:59,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:41:59,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:41:59,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:41:59,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:41:59,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:41:59,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:41:59,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:41:59,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:41:59,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:41:59,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:41:59,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:41:59,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:41:59,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:41:59,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:41:59,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:41:59,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:41:59,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:41:59,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:41:59,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:41:59,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:41:59,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:41:59,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:41:59,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:41:59,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:41:59,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:41:59,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-13 18:41:59,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:41:59,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:41:59,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:41:59,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:41:59,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:41:59,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:41:59,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:41:59,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:41:59,469 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:41:59,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:41:59,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:41:59,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:41:59,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:41:59,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:41:59,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:41:59,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:41:59,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:41:59,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:41:59,471 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 18:41:59,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:41:59,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:41:59,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:41:59,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:41:59,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:41:59,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:41:59,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:41:59,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:41:59,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:41:59,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:41:59,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:41:59,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:41:59,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:41:59,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:41:59,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:41:59,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2021-11-13 18:41:59,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:41:59,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:41:59,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:41:59,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:41:59,863 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:41:59,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-13 18:41:59,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/data/b1f47759e/6ce7e567c0454f6ba12f3e4a3843464e/FLAGcde7af784 [2021-11-13 18:42:00,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:42:00,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-13 18:42:00,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/data/b1f47759e/6ce7e567c0454f6ba12f3e4a3843464e/FLAGcde7af784 [2021-11-13 18:42:00,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/data/b1f47759e/6ce7e567c0454f6ba12f3e4a3843464e [2021-11-13 18:42:00,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:42:00,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:42:00,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:42:00,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:42:00,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:42:00,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:42:00" (1/1) ... [2021-11-13 18:42:00,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579bf22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:00, skipping insertion in model container [2021-11-13 18:42:00,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:42:00" (1/1) ... [2021-11-13 18:42:00,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:42:00,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:42:01,430 WARN L228 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_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-13 18:42:01,593 WARN L228 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_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-13 18:42:01,595 WARN L228 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_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-13 18:42:01,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:42:01,616 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:42:01,643 WARN L228 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_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-13 18:42:01,701 WARN L228 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_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-13 18:42:01,701 WARN L228 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_5b46be60-3718-480d-9157-4c1b595bf2b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-13 18:42:01,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:42:01,772 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:42:01,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01 WrapperNode [2021-11-13 18:42:01,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:42:01,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:42:01,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:42:01,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:42:01,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:01,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:01,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:42:01,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:42:01,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:42:01,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:42:01,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:01,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:01,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:01,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:02,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:02,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:02,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:02,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:42:02,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:42:02,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:42:02,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:42:02,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (1/1) ... [2021-11-13 18:42:02,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:42:02,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:42:02,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:42:02,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:42:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:42:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 18:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:42:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:42:03,446 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:42:03,447 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-13 18:42:03,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:42:03 BoogieIcfgContainer [2021-11-13 18:42:03,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:42:03,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:42:03,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:42:03,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:42:03,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:42:00" (1/3) ... [2021-11-13 18:42:03,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34add1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:42:03, skipping insertion in model container [2021-11-13 18:42:03,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:01" (2/3) ... [2021-11-13 18:42:03,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34add1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:42:03, skipping insertion in model container [2021-11-13 18:42:03,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:42:03" (3/3) ... [2021-11-13 18:42:03,464 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-1.i [2021-11-13 18:42:03,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:42:03,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-13 18:42:03,528 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:42:03,535 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 [2021-11-13 18:42:03,535 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 18:42:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 183 states have (on average 1.7049180327868851) internal successors, (312), 189 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 18:42:03,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:03,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:03,573 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:03,584 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-13 18:42:03,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:03,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064245788] [2021-11-13 18:42:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:03,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:42:03,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:42:03,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064245788] [2021-11-13 18:42:03,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064245788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:42:03,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:42:03,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:42:03,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397202219] [2021-11-13 18:42:03,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:42:03,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:42:03,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:42:03,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:42:03,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:42:03,878 INFO L87 Difference]: Start difference. First operand has 194 states, 183 states have (on average 1.7049180327868851) internal successors, (312), 189 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:03,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:42:03,950 INFO L93 Difference]: Finished difference Result 385 states and 633 transitions. [2021-11-13 18:42:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:42:03,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 18:42:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:42:03,970 INFO L225 Difference]: With dead ends: 385 [2021-11-13 18:42:03,970 INFO L226 Difference]: Without dead ends: 187 [2021-11-13 18:42:03,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:42:03,982 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:42:03,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 5.04ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:42:04,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-13 18:42:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-13 18:42:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 177 states have (on average 1.3333333333333333) internal successors, (236), 182 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 242 transitions. [2021-11-13 18:42:04,034 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 242 transitions. Word has length 7 [2021-11-13 18:42:04,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:42:04,035 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 242 transitions. [2021-11-13 18:42:04,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2021-11-13 18:42:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 18:42:04,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:04,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:04,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:42:04,037 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:04,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:04,037 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-13 18:42:04,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:04,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896247888] [2021-11-13 18:42:04,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:04,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:04,066 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:42:04,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360174098] [2021-11-13 18:42:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:04,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:04,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:42:04,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:42:04,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:42:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:04,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 18:42:04,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:42:04,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:42:04,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:42:04,420 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 18:42:04,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 18:42:04,503 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 19 treesize of output 11 [2021-11-13 18:42:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:42:04,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:42:04,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:42:04,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896247888] [2021-11-13 18:42:04,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:42:04,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360174098] [2021-11-13 18:42:04,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360174098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:42:04,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:42:04,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:42:04,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982016131] [2021-11-13 18:42:04,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:42:04,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:42:04,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:42:04,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:42:04,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:42:04,527 INFO L87 Difference]: Start difference. First operand 187 states and 242 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:42:05,397 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2021-11-13 18:42:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:42:05,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 18:42:05,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:42:05,402 INFO L225 Difference]: With dead ends: 306 [2021-11-13 18:42:05,403 INFO L226 Difference]: Without dead ends: 304 [2021-11-13 18:42:05,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:42:05,405 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 188 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 698.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.90ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 798.94ms IncrementalHoareTripleChecker+Time [2021-11-13 18:42:05,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 735 Invalid, 287 Unknown, 0 Unchecked, 13.90ms Time], IncrementalHoareTripleChecker [15 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 798.94ms Time] [2021-11-13 18:42:05,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-13 18:42:05,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 193. [2021-11-13 18:42:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 188 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2021-11-13 18:42:05,426 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 7 [2021-11-13 18:42:05,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:42:05,427 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2021-11-13 18:42:05,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2021-11-13 18:42:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 18:42:05,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:05,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:05,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-13 18:42:05,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:05,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:05,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:05,647 INFO L85 PathProgramCache]: Analyzing trace with hash -385089840, now seen corresponding path program 1 times [2021-11-13 18:42:05,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:05,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905976978] [2021-11-13 18:42:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:05,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:42:05,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:42:05,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905976978] [2021-11-13 18:42:05,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905976978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:42:05,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:42:05,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:42:05,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014817108] [2021-11-13 18:42:05,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:42:05,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:42:05,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:42:05,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:42:05,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:42:05,773 INFO L87 Difference]: Start difference. First operand 193 states and 249 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:42:06,151 INFO L93 Difference]: Finished difference Result 355 states and 462 transitions. [2021-11-13 18:42:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:42:06,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-11-13 18:42:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:42:06,154 INFO L225 Difference]: With dead ends: 355 [2021-11-13 18:42:06,155 INFO L226 Difference]: Without dead ends: 270 [2021-11-13 18:42:06,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:42:06,157 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 99 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.90ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 351.05ms IncrementalHoareTripleChecker+Time [2021-11-13 18:42:06,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 615 Invalid, 137 Unknown, 0 Unchecked, 3.90ms Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 351.05ms Time] [2021-11-13 18:42:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-13 18:42:06,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 193. [2021-11-13 18:42:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 183 states have (on average 1.3224043715846994) internal successors, (242), 188 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2021-11-13 18:42:06,191 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 50 [2021-11-13 18:42:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:42:06,191 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2021-11-13 18:42:06,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2021-11-13 18:42:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 18:42:06,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:06,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:06,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:42:06,198 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:06,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:06,207 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-13 18:42:06,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:06,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372157232] [2021-11-13 18:42:06,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:06,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:06,261 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:42:06,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807401973] [2021-11-13 18:42:06,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:06,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:06,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:42:06,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:42:06,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:42:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:06,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:42:06,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:42:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:42:06,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:42:06,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:42:06,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372157232] [2021-11-13 18:42:06,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:42:06,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807401973] [2021-11-13 18:42:06,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807401973] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:42:06,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:42:06,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:42:06,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768804064] [2021-11-13 18:42:06,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:42:06,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:42:06,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:42:06,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:42:06,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:42:06,600 INFO L87 Difference]: Start difference. First operand 193 states and 248 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:42:06,682 INFO L93 Difference]: Finished difference Result 399 states and 519 transitions. [2021-11-13 18:42:06,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:42:06,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-13 18:42:06,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:42:06,685 INFO L225 Difference]: With dead ends: 399 [2021-11-13 18:42:06,685 INFO L226 Difference]: Without dead ends: 214 [2021-11-13 18:42:06,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:42:06,688 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 9 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.99ms IncrementalHoareTripleChecker+Time [2021-11-13 18:42:06,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 429 Invalid, 72 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 70.99ms Time] [2021-11-13 18:42:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-13 18:42:06,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2021-11-13 18:42:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.29064039408867) internal successors, (262), 208 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 268 transitions. [2021-11-13 18:42:06,707 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 268 transitions. Word has length 57 [2021-11-13 18:42:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:42:06,707 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 268 transitions. [2021-11-13 18:42:06,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 268 transitions. [2021-11-13 18:42:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 18:42:06,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:06,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:06,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:42:06,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:06,917 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:06,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:06,918 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-13 18:42:06,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:06,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922702639] [2021-11-13 18:42:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:06,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:06,938 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:42:06,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [516769270] [2021-11-13 18:42:06,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:06,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:06,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:42:06,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:42:06,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 18:42:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:07,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:42:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:42:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:42:07,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:42:07,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:42:07,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922702639] [2021-11-13 18:42:07,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:42:07,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516769270] [2021-11-13 18:42:07,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516769270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:42:07,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:42:07,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:42:07,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322346407] [2021-11-13 18:42:07,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:42:07,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:42:07,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:42:07,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:42:07,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:42:07,223 INFO L87 Difference]: Start difference. First operand 213 states and 268 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:07,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:42:07,302 INFO L93 Difference]: Finished difference Result 408 states and 518 transitions. [2021-11-13 18:42:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:42:07,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-13 18:42:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:42:07,308 INFO L225 Difference]: With dead ends: 408 [2021-11-13 18:42:07,309 INFO L226 Difference]: Without dead ends: 203 [2021-11-13 18:42:07,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:42:07,312 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 220 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.92ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.84ms IncrementalHoareTripleChecker+Time [2021-11-13 18:42:07,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 453 Invalid, 66 Unknown, 0 Unchecked, 2.92ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 56.84ms Time] [2021-11-13 18:42:07,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-13 18:42:07,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2021-11-13 18:42:07,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 194 states have internal predecessors, (241), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 247 transitions. [2021-11-13 18:42:07,326 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 247 transitions. Word has length 57 [2021-11-13 18:42:07,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:42:07,327 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 247 transitions. [2021-11-13 18:42:07,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 247 transitions. [2021-11-13 18:42:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 18:42:07,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:07,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:07,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:42:07,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:07,547 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:07,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-13 18:42:07,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:07,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570335458] [2021-11-13 18:42:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:07,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:07,564 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:42:07,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086818247] [2021-11-13 18:42:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:07,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:42:07,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:42:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 18:42:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:07,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:42:07,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:42:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:42:08,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:42:08,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:42:08,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570335458] [2021-11-13 18:42:08,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:42:08,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086818247] [2021-11-13 18:42:08,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086818247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:42:08,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:42:08,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:42:08,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003893569] [2021-11-13 18:42:08,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:42:08,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:42:08,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:42:08,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:42:08,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:42:08,026 INFO L87 Difference]: Start difference. First operand 199 states and 247 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:42:08,130 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-11-13 18:42:08,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:42:08,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-13 18:42:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:42:08,136 INFO L225 Difference]: With dead ends: 499 [2021-11-13 18:42:08,136 INFO L226 Difference]: Without dead ends: 308 [2021-11-13 18:42:08,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:42:08,139 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 99 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.85ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.06ms IncrementalHoareTripleChecker+Time [2021-11-13 18:42:08,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 483 Invalid, 30 Unknown, 0 Unchecked, 1.85ms Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 87.06ms Time] [2021-11-13 18:42:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-13 18:42:08,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 305. [2021-11-13 18:42:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 295 states have (on average 1.2677966101694915) internal successors, (374), 300 states have internal predecessors, (374), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:42:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2021-11-13 18:42:08,156 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 57 [2021-11-13 18:42:08,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:42:08,157 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2021-11-13 18:42:08,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:42:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2021-11-13 18:42:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 18:42:08,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:42:08,160 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:42:08,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-13 18:42:08,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-13 18:42:08,382 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:42:08,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:42:08,382 INFO L85 PathProgramCache]: Analyzing trace with hash 984432562, now seen corresponding path program 1 times [2021-11-13 18:42:08,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:42:08,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710024026] [2021-11-13 18:42:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:08,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:42:08,400 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:42:08,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1705775613] [2021-11-13 18:42:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:42:08,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:42:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:42:08,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:42:08,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 18:42:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:42:08,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-13 18:42:08,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:42:08,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:42:08,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:42:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:08,710 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 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 18:42:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:08,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:42:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 57 [2021-11-13 18:42:09,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,927 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 39 treesize of output 44 [2021-11-13 18:42:09,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2021-11-13 18:42:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-13 18:42:10,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 18:42:10,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-13 18:42:10,105 INFO L354 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2021-11-13 18:42:10,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-11-13 18:42:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:10,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-13 18:42:10,279 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-13 18:42:10,280 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 6 case distinctions, treesize of input 59 treesize of output 43 [2021-11-13 18:42:10,289 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 26 treesize of output 18 [2021-11-13 18:42:10,293 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 11 treesize of output 7 [2021-11-13 18:42:12,276 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-13 18:42:12,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2834 treesize of output 2283 [2021-11-13 18:42:12,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,578 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-13 18:42:14,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3249 treesize of output 2907 [2021-11-13 18:42:14,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:20,830 WARN L227 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 18:42:20,831 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-13 18:42:20,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4247 treesize of output 2272 [2021-11-13 18:42:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:21,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-13 18:42:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-13 18:42:22,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:22,629 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-11-13 18:42:22,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 1045 treesize of output 495 [2021-11-13 18:42:23,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:23,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:23,965 INFO L244 Elim1Store]: Index analysis took 298 ms [2021-11-13 18:42:23,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 1052 treesize of output 498 [2021-11-13 18:42:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:42:26,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:42:26,314 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 629 treesize of output 464 [2021-11-13 18:42:28,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:28,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:42:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:11,482 WARN L227 SmtUtils]: Spent 1.71m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 18:44:11,484 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-13 18:44:11,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 264657 treesize of output 118730 [2021-11-13 18:44:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,299 INFO L244 Elim1Store]: Index analysis took 488 ms [2021-11-13 18:44:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:15,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:44:15,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-13 18:44:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,440 INFO L244 Elim1Store]: Index analysis took 575 ms [2021-11-13 18:44:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:17,913 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 18:44:17,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 944 treesize of output 440 [2021-11-13 18:44:18,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:18,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:18,603 INFO L354 Elim1Store]: treesize reduction 422, result has 0.2 percent of original size [2021-11-13 18:44:18,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 252970 treesize of output 198451 [2021-11-13 18:44:19,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:19,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:19,297 INFO L354 Elim1Store]: treesize reduction 408, result has 0.2 percent of original size [2021-11-13 18:44:19,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 251990 treesize of output 197717 [2021-11-13 18:44:19,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:19,991 INFO L354 Elim1Store]: treesize reduction 424, result has 0.2 percent of original size [2021-11-13 18:44:19,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 250716 treesize of output 196761 [2021-11-13 18:44:20,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:20,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:20,521 INFO L354 Elim1Store]: treesize reduction 787, result has 0.1 percent of original size [2021-11-13 18:44:20,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 249748 treesize of output 195963 [2021-11-13 18:44:20,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:20,991 INFO L354 Elim1Store]: treesize reduction 1528, result has 0.1 percent of original size [2021-11-13 18:44:20,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 248885 treesize of output 195099 [2021-11-13 18:44:21,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:21,490 INFO L354 Elim1Store]: treesize reduction 791, result has 0.1 percent of original size [2021-11-13 18:44:21,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 248286 treesize of output 194702 [2021-11-13 18:44:21,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:21,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:21,889 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-11-13 18:44:21,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 247223 treesize of output 193880 [2021-11-13 18:44:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:22,357 INFO L354 Elim1Store]: treesize reduction 426, result has 0.2 percent of original size [2021-11-13 18:44:22,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 246219 treesize of output 193161 [2021-11-13 18:44:22,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:22,844 INFO L354 Elim1Store]: treesize reduction 791, result has 0.1 percent of original size [2021-11-13 18:44:22,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 244685 treesize of output 191944 [2021-11-13 18:44:23,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:23,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:23,104 INFO L354 Elim1Store]: treesize reduction 773, result has 0.1 percent of original size [2021-11-13 18:44:23,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 243658 treesize of output 191037 [2021-11-13 18:44:23,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:23,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:23,402 INFO L354 Elim1Store]: treesize reduction 424, result has 0.2 percent of original size [2021-11-13 18:44:23,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 242819 treesize of output 190375 [2021-11-13 18:44:23,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:23,791 INFO L354 Elim1Store]: treesize reduction 424, result has 0.2 percent of original size [2021-11-13 18:44:23,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 241181 treesize of output 189209 [2021-11-13 18:44:23,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:23,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:24,052 INFO L354 Elim1Store]: treesize reduction 422, result has 0.2 percent of original size [2021-11-13 18:44:24,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 240097 treesize of output 188404 [2021-11-13 18:44:24,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:24,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:24,336 INFO L354 Elim1Store]: treesize reduction 426, result has 0.2 percent of original size [2021-11-13 18:44:24,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 238799 treesize of output 160531 [2021-11-13 18:44:24,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:24,620 INFO L354 Elim1Store]: treesize reduction 2730, result has 0.0 percent of original size [2021-11-13 18:44:24,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 229381 treesize of output 189817 [2021-11-13 18:44:24,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:24,888 INFO L354 Elim1Store]: treesize reduction 426, result has 0.2 percent of original size [2021-11-13 18:44:24,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 228334 treesize of output 189295 [2021-11-13 18:44:24,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:25,113 INFO L354 Elim1Store]: treesize reduction 658, result has 0.2 percent of original size [2021-11-13 18:44:25,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 227084 treesize of output 188401 [2021-11-13 18:44:25,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:25,321 INFO L354 Elim1Store]: treesize reduction 2578, result has 0.0 percent of original size [2021-11-13 18:44:25,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 225634 treesize of output 225098 [2021-11-13 18:44:25,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:25,506 INFO L354 Elim1Store]: treesize reduction 791, result has 0.1 percent of original size [2021-11-13 18:44:25,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 224667 treesize of output 186254 [2021-11-13 18:44:25,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:25,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:25,774 INFO L354 Elim1Store]: treesize reduction 4118, result has 0.0 percent of original size [2021-11-13 18:44:25,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 223852 treesize of output 223016 [2021-11-13 18:44:25,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:44:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:25,910 INFO L354 Elim1Store]: treesize reduction 1758, result has 0.1 percent of original size [2021-11-13 18:44:25,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 222366 treesize of output 221976 [2021-11-13 18:44:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,394 INFO L354 Elim1Store]: treesize reduction 587, result has 11.5 percent of original size [2021-11-13 18:44:59,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 797 treesize of output 706 [2021-11-13 18:44:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 569 treesize of output 431 [2021-11-13 18:44:59,802 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-13 18:44:59,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 446 treesize of output 367 [2021-11-13 18:44:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:44:59,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 390 treesize of output 234 [2021-11-13 18:45:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:00,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 150 [2021-11-13 18:45:01,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:45:01,422 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-13 18:45:01,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 476 treesize of output 355 [2021-11-13 18:45:01,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:45:01,666 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-13 18:45:01,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 427 treesize of output 345 [2021-11-13 18:45:01,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:45:01,716 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-13 18:45:01,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 376 treesize of output 300 [2021-11-13 18:45:02,148 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-13 18:45:02,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 351 treesize of output 268 [2021-11-13 18:45:02,718 INFO L354 Elim1Store]: treesize reduction 996, result has 22.4 percent of original size [2021-11-13 18:45:02,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 259 treesize of output 395 [2021-11-13 18:45:02,922 INFO L354 Elim1Store]: treesize reduction 818, result has 8.6 percent of original size [2021-11-13 18:45:02,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 42 case distinctions, treesize of input 392 treesize of output 412 [2021-11-13 18:45:02,942 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-13 18:45:02,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 388 treesize of output 326 [2021-11-13 18:46:24,067 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-13 18:46:24,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 525 treesize of output 459 [2021-11-13 18:49:32,364 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-13 18:49:32,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 359 treesize of output 175 [2021-11-13 18:49:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 18:49:32,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:49:32,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:32,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710024026] [2021-11-13 18:49:32,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:49:32,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705775613] [2021-11-13 18:49:32,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705775613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:32,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:32,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:49:32,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277941000] [2021-11-13 18:49:32,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:32,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:49:32,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:32,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:49:32,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:49:32,421 INFO L87 Difference]: Start difference. First operand 305 states and 380 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:49:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:35,123 INFO L93 Difference]: Finished difference Result 331 states and 416 transitions. [2021-11-13 18:49:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 18:49:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-13 18:49:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:35,129 INFO L225 Difference]: With dead ends: 331 [2021-11-13 18:49:35,130 INFO L226 Difference]: Without dead ends: 330 [2021-11-13 18:49:35,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-11-13 18:49:35,131 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 79 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1344.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.97ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 1690.71ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:35,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 1168 Invalid, 561 Unknown, 0 Unchecked, 7.97ms Time], IncrementalHoareTripleChecker [25 Valid, 441 Invalid, 0 Unknown, 95 Unchecked, 1690.71ms Time] [2021-11-13 18:49:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-11-13 18:49:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 304. [2021-11-13 18:49:35,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 295 states have (on average 1.264406779661017) internal successors, (373), 299 states have internal predecessors, (373), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:49:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 379 transitions. [2021-11-13 18:49:35,148 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 379 transitions. Word has length 72 [2021-11-13 18:49:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:35,148 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 379 transitions. [2021-11-13 18:49:35,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:49:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 379 transitions. [2021-11-13 18:49:35,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 18:49:35,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:35,150 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:35,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-13 18:49:35,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-13 18:49:35,367 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-13 18:49:35,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:35,367 INFO L85 PathProgramCache]: Analyzing trace with hash 452638766, now seen corresponding path program 1 times [2021-11-13 18:49:35,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:35,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231289343] [2021-11-13 18:49:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:35,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:35,390 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:49:35,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125042811] [2021-11-13 18:49:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:35,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:49:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:49:35,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:49:35,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b46be60-3718-480d-9157-4c1b595bf2b8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 18:49:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:35,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-13 18:49:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:35,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:49:35,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:49:35,807 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 18:49:35,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-13 18:49:36,014 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 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 18:49:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:36,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-13 18:49:37,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 57 [2021-11-13 18:49:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,835 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 39 treesize of output 44 [2021-11-13 18:49:37,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2021-11-13 18:49:38,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-13 18:49:38,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:38,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-13 18:49:38,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-13 18:49:38,158 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-13 18:49:38,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-13 18:49:38,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 18:49:38,353 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-13 18:49:38,353 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 6 case distinctions, treesize of input 61 treesize of output 45 [2021-11-13 18:49:40,172 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-13 18:49:40,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2833 treesize of output 2282 [2021-11-13 18:49:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,587 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-13 18:49:42,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3248 treesize of output 2906 [2021-11-13 18:49:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:49:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:48,997 WARN L227 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 452 DAG size of output: 124 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 18:49:48,997 INFO L354 Elim1Store]: treesize reduction 7903, result has 4.7 percent of original size [2021-11-13 18:49:48,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 3460 treesize of output 1957 [2021-11-13 18:49:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:49,958 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 40 treesize of output 18 [2021-11-13 18:49:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:50,105 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 16 [2021-11-13 18:49:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:49:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:49:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:55,505 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-11-13 18:49:55,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 869 treesize of output 395 [2021-11-13 18:49:56,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:49:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:49:56,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:49:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver