./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:29:43,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:29:43,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:29:43,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:29:43,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:29:43,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:29:43,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:29:43,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:29:43,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:29:43,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:29:43,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:29:43,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:29:43,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:29:43,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:29:43,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:29:43,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:29:43,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:29:43,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:29:43,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:29:43,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:29:43,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:29:43,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:29:43,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:29:43,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:29:43,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:29:43,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:29:43,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:29:43,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:29:43,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:29:43,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:29:43,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:29:43,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:29:43,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:29:43,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:29:43,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:29:43,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:29:43,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:29:43,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:29:43,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:29:43,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:29:43,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:29:43,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:29:43,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:29:43,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:29:43,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:29:43,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:29:43,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:29:43,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:29:43,756 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:29:43,757 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:29:43,757 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:29:43,757 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:29:43,757 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:29:43,757 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:29:43,757 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:29:43,758 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:29:43,758 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:29:43,758 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:29:43,758 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:29:43,758 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:29:43,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:29:43,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:29:43,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:29:43,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:29:43,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:29:43,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:29:43,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:29:43,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:29:43,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:29:43,761 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:29:43,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:29:43,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:29:43,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:29:43,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:29:43,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:29:43,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:29:43,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:29:43,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:29:43,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:29:43,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:29:43,763 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:29:43,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:29:43,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:29:43,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:29:43,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:29:43,764 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2021-11-25 20:29:44,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:29:44,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:29:44,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:29:44,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:29:44,128 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:29:44,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2021-11-25 20:29:44,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/data/c0bf31644/a77d85bcd8d849c7bf0fe2d40b6dac01/FLAGc5426d568 [2021-11-25 20:29:44,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:29:44,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2021-11-25 20:29:44,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/data/c0bf31644/a77d85bcd8d849c7bf0fe2d40b6dac01/FLAGc5426d568 [2021-11-25 20:29:45,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/data/c0bf31644/a77d85bcd8d849c7bf0fe2d40b6dac01 [2021-11-25 20:29:45,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:29:45,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:29:45,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:29:45,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:29:45,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:29:45,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:45,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59eb2a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45, skipping insertion in model container [2021-11-25 20:29:45,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:45,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:29:45,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:29:45,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2021-11-25 20:29:45,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2021-11-25 20:29:45,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:29:45,803 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:29:45,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2021-11-25 20:29:45,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2021-11-25 20:29:45,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:29:45,963 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:29:45,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45 WrapperNode [2021-11-25 20:29:45,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:29:45,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:29:45,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:29:45,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:29:45,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,092 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 20:29:46,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:29:46,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:29:46,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:29:46,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:29:46,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:29:46,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:29:46,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:29:46,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:29:46,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (1/1) ... [2021-11-25 20:29:46,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:29:46,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:29:46,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:29:46,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:29:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:29:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:29:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:29:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:29:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:29:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:29:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 20:29:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 20:29:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:29:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:29:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:29:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:29:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:29:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:29:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:29:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:29:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:29:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:29:46,664 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:29:46,667 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:29:47,849 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:29:48,276 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:29:48,276 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 20:29:48,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:29:48 BoogieIcfgContainer [2021-11-25 20:29:48,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:29:48,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:29:48,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:29:48,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:29:48,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:29:45" (1/3) ... [2021-11-25 20:29:48,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e72323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:29:48, skipping insertion in model container [2021-11-25 20:29:48,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:45" (2/3) ... [2021-11-25 20:29:48,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e72323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:29:48, skipping insertion in model container [2021-11-25 20:29:48,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:29:48" (3/3) ... [2021-11-25 20:29:48,294 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-2.i [2021-11-25 20:29:48,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:29:48,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 20:29:48,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:29:48,376 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 [2021-11-25 20:29:48,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 20:29:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:29:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:29:48,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:48,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:29:48,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:29:48,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:48,420 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-25 20:29:48,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:48,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805425644] [2021-11-25 20:29:48,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:48,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:48,561 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:29:48,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434443676] [2021-11-25 20:29:48,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:48,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:29:48,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:29:48,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:29:48,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:29:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:48,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:29:48,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:29:48,876 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 [2021-11-25 20:29:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:29:48,935 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 15 treesize of output 7 [2021-11-25 20:29:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:29:48,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:29:48,945 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:48,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805425644] [2021-11-25 20:29:48,945 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:29:48,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434443676] [2021-11-25 20:29:48,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434443676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:48,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:48,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:29:48,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630503123] [2021-11-25 20:29:48,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:48,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:29:48,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:48,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:29:48,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:29:48,987 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:50,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:29:50,267 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-25 20:29:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:29:50,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-25 20:29:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:29:50,282 INFO L225 Difference]: With dead ends: 410 [2021-11-25 20:29:50,283 INFO L226 Difference]: Without dead ends: 217 [2021-11-25 20:29:50,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:29:50,291 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:29:50,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 20:29:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-25 20:29:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-25 20:29:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:29:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 20:29:50,385 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 20:29:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:29:50,387 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 20:29:50,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 20:29:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:29:50,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:50,391 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] [2021-11-25 20:29:50,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:29:50,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 20:29:50,616 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:29:50,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:50,617 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-25 20:29:50,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:50,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948889761] [2021-11-25 20:29:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:50,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:29:50,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:50,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948889761] [2021-11-25 20:29:50,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948889761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:50,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:50,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:29:50,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014760408] [2021-11-25 20:29:50,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:50,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:29:50,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:50,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:29:50,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:29:50,763 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:52,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:29:52,753 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 20:29:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:29:52,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-25 20:29:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:29:52,757 INFO L225 Difference]: With dead ends: 297 [2021-11-25 20:29:52,757 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 20:29:52,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:29:52,760 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:29:52,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 20:29:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 20:29:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 20:29:52,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:29:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 20:29:52,779 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 20:29:52,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:29:52,779 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 20:29:52,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 20:29:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 20:29:52,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:52,781 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] [2021-11-25 20:29:52,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:29:52,782 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:29:52,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:52,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-25 20:29:52,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:52,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560037892] [2021-11-25 20:29:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:52,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:52,923 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:29:52,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198488480] [2021-11-25 20:29:52,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:52,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:29:52,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:29:52,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:29:52,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:29:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:53,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:29:53,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:29:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:29:53,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:29:53,707 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:53,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560037892] [2021-11-25 20:29:53,707 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:29:53,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198488480] [2021-11-25 20:29:53,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198488480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:53,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:53,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:29:53,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845229677] [2021-11-25 20:29:53,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:53,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:29:53,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:53,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:29:53,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:29:53,711 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:56,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:29:56,354 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 20:29:56,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:29:56,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 20:29:56,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:29:56,363 INFO L225 Difference]: With dead ends: 247 [2021-11-25 20:29:56,363 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 20:29:56,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:29:56,366 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:29:56,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 20:29:56,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 20:29:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 20:29:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 20:29:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 20:29:56,390 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 20:29:56,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:29:56,390 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 20:29:56,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 20:29:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:29:56,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:56,393 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] [2021-11-25 20:29:56,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 20:29:56,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:29:56,608 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:29:56,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-25 20:29:56,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:56,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612112578] [2021-11-25 20:29:56,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:56,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:56,737 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:29:56,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358232994] [2021-11-25 20:29:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:56,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:29:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:29:56,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:29:56,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:29:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:57,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:29:57,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:29:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:29:57,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:29:57,603 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:57,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612112578] [2021-11-25 20:29:57,603 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:29:57,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358232994] [2021-11-25 20:29:57,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358232994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:57,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:57,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:29:57,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580862053] [2021-11-25 20:29:57,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:57,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:29:57,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:57,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:29:57,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:29:57,607 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:29:58,435 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 20:29:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:29:58,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 20:29:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:29:58,445 INFO L225 Difference]: With dead ends: 213 [2021-11-25 20:29:58,446 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 20:29:58,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:29:58,447 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:29:58,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 20:29:58,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 20:29:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 20:29:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 20:29:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 20:29:58,472 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 20:29:58,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:29:58,473 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 20:29:58,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:29:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 20:29:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 20:29:58,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:29:58,485 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] [2021-11-25 20:29:58,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:29:58,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:29:58,700 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:29:58,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:29:58,700 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-25 20:29:58,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:29:58,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753169005] [2021-11-25 20:29:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:58,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:29:58,800 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:29:58,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802421029] [2021-11-25 20:29:58,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:29:58,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:29:58,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:29:58,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:29:58,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:29:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:29:59,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:29:59,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:29:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:29:59,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:29:59,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:29:59,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753169005] [2021-11-25 20:29:59,777 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:29:59,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802421029] [2021-11-25 20:29:59,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802421029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:29:59,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:29:59,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:29:59,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251650548] [2021-11-25 20:29:59,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:29:59,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:29:59,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:29:59,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:29:59,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:29:59,780 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:30:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:00,590 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 20:30:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:30:00,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-11-25 20:30:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:00,594 INFO L225 Difference]: With dead ends: 432 [2021-11-25 20:30:00,594 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 20:30:00,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:00,596 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:00,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 20:30:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 20:30:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 20:30:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-25 20:30:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 20:30:00,617 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 20:30:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:00,618 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 20:30:00,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:30:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 20:30:00,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:30:00,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:00,621 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 20:30:00,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:30:00,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:00,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:30:00,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:00,836 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-25 20:30:00,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:00,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096283848] [2021-11-25 20:30:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:00,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:00,890 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:30:00,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3536411] [2021-11-25 20:30:00,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:00,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:00,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:00,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:30:00,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:30:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:01,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:30:01,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:30:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:30:01,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:30:01,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:01,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096283848] [2021-11-25 20:30:01,672 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:30:01,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3536411] [2021-11-25 20:30:01,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3536411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:01,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:01,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:30:01,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218101311] [2021-11-25 20:30:01,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:01,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:30:01,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:01,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:30:01,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:30:01,677 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:30:05,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:30:05,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:05,364 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 20:30:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:30:05,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-25 20:30:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:05,387 INFO L225 Difference]: With dead ends: 471 [2021-11-25 20:30:05,387 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 20:30:05,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:30:05,389 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:05,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 20:30:05,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 20:30:05,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 20:30:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-25 20:30:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 20:30:05,406 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 20:30:05,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:05,407 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 20:30:05,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:30:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 20:30:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 20:30:05,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:05,410 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] [2021-11-25 20:30:05,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:30:05,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:05,625 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:30:05,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:05,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-25 20:30:05,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:05,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768148540] [2021-11-25 20:30:05,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:05,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:05,670 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:30:05,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010089508] [2021-11-25 20:30:05,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:05,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:05,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:05,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:30:05,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ce7426-d1f1-44de-acf4-50a978243364/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:30:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:07,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:30:07,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:30:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:30:07,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:30:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:30:07,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:07,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768148540] [2021-11-25 20:30:07,430 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:30:07,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010089508] [2021-11-25 20:30:07,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010089508] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:30:07,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1705102967] [2021-11-25 20:30:07,456 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 20:30:07,457 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:30:07,463 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:30:07,470 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:30:07,470 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:30:07,556 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 15 treesize of output 1 [2021-11-25 20:30:07,562 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 15 treesize of output 1 [2021-11-25 20:30:07,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,583 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:30:07,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 20:30:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:30:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,618 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:30:07,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:30:07,655 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 15 treesize of output 1 [2021-11-25 20:30:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,690 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:30:07,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 20:30:07,702 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 15 treesize of output 1 [2021-11-25 20:30:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,745 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:30:07,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:30:07,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 20:30:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:07,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-25 20:30:07,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:30:07,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:30:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:30:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2021-11-25 20:30:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 20:30:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:30:08,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:30:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:30:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 20:30:08,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:30:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,544 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:30:08,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 20:30:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:30:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:30:08,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:30:08,792 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 14 treesize of output 10 [2021-11-25 20:30:08,797 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 14 treesize of output 10 [2021-11-25 20:30:08,804 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 16 treesize of output 12 [2021-11-25 20:30:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,835 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 70 treesize of output 69 [2021-11-25 20:30:08,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,844 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 68 treesize of output 67 [2021-11-25 20:30:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,853 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 68 treesize of output 67 [2021-11-25 20:30:08,873 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 16 treesize of output 12 [2021-11-25 20:30:08,878 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 14 treesize of output 10 [2021-11-25 20:30:08,885 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 14 treesize of output 10 [2021-11-25 20:30:08,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:30:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:30:08,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:08,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:30:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:30:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:30:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:09,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:30:15,600 WARN L227 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:30:15,601 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:30:15,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:30:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:26,901 WARN L227 SmtUtils]: Spent 11.13s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:30:26,902 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:30:26,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:30:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,689 INFO L244 Elim1Store]: Index analysis took 434 ms [2021-11-25 20:30:40,617 WARN L227 SmtUtils]: Spent 12.56s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:30:40,618 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:30:40,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:30:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:41,415 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-25 20:30:42,721 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:30:42,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 20:30:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:42,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:30:43,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,691 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:30:43,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 20:30:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:30:44,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:30:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:30:44,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:44,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 20:30:44,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,812 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:30:44,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:30:44,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:45,470 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 20:30:45,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-25 20:30:45,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:45,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 20:30:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:46,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:46,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:46,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:46,660 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-25 20:30:46,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 20:30:46,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:46,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:46,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:46,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:46,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:46,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:47,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:30:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:47,621 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-25 20:30:49,246 INFO L354 Elim1Store]: treesize reduction 31, result has 98.3 percent of original size [2021-11-25 20:30:49,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3598 treesize of output 4945 [2021-11-25 20:30:50,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:50,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:50,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:50,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:50,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:50,960 INFO L244 Elim1Store]: Index analysis took 234 ms [2021-11-25 20:30:51,042 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:30:51,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1274 treesize of output 876 [2021-11-25 20:30:51,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:51,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,511 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-25 20:30:51,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1274 treesize of output 824 [2021-11-25 20:30:51,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:51,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:51,906 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-25 20:30:54,351 INFO L354 Elim1Store]: treesize reduction 507, result has 72.9 percent of original size [2021-11-25 20:30:54,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 2694 [2021-11-25 20:30:54,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:54,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:54,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:54,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:54,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:54,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:54,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:54,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:54,726 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 20:30:54,817 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:30:54,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1720 treesize of output 1516 [2021-11-25 20:30:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:55,803 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-25 20:30:56,281 INFO L354 Elim1Store]: treesize reduction 1671, result has 9.6 percent of original size [2021-11-25 20:30:56,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3586 treesize of output 3308 [2021-11-25 20:30:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 20:30:57,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:57,504 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-25 20:30:57,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1788 treesize of output 1326 [2021-11-25 20:30:57,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:57,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:58,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:58,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:58,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:58,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:30:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,920 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:30:58,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3589 treesize of output 3203 [2021-11-25 20:30:59,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:59,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:59,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:59,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:59,588 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-25 20:30:59,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:30:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1788 treesize of output 1378 [2021-11-25 20:30:59,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:30:59,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:00,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:31:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:00,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:31:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:00,885 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-25 20:31:00,903 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:31:00,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:31:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:02,654 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-11-25 20:31:08,245 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:31:08,246 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 20:31:08,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 102870 treesize of output 104008