./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P --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 f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:50:35,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:50:35,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:50:35,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:50:35,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:50:35,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:50:35,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:50:35,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:50:35,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:50:35,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:50:35,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:50:35,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:50:35,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:50:35,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:50:35,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:50:35,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:50:35,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:50:35,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:50:35,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:50:35,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:50:36,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:50:36,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:50:36,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:50:36,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:50:36,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:50:36,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:50:36,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:50:36,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:50:36,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:50:36,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:50:36,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:50:36,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:50:36,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:50:36,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:50:36,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:50:36,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:50:36,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:50:36,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:50:36,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:50:36,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:50:36,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:50:36,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:50:36,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:50:36,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:50:36,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:50:36,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:50:36,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:50:36,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:50:36,056 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:50:36,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:50:36,057 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:50:36,057 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:50:36,058 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:50:36,058 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:50:36,059 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:50:36,059 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:50:36,059 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:50:36,060 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:50:36,060 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:50:36,061 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:50:36,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:50:36,062 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:50:36,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:50:36,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:50:36,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:50:36,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:50:36,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:50:36,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:50:36,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:50:36,065 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:50:36,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:50:36,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:50:36,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:50:36,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:50:36,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:50:36,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:50:36,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:50:36,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:50:36,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:50:36,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:50:36,069 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:50:36,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:50:36,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:50:36,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:50:36,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:50:36,071 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_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 [2021-11-21 00:50:36,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:50:36,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:50:36,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:50:36,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:50:36,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:50:36,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2021-11-21 00:50:36,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/data/23ad4be6a/8697f123bdae49f48bd0c02d3554128c/FLAG33558076a [2021-11-21 00:50:37,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:50:37,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2021-11-21 00:50:37,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/data/23ad4be6a/8697f123bdae49f48bd0c02d3554128c/FLAG33558076a [2021-11-21 00:50:37,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/data/23ad4be6a/8697f123bdae49f48bd0c02d3554128c [2021-11-21 00:50:37,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:50:37,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:50:37,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:50:37,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:50:37,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:50:37,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:50:37" (1/1) ... [2021-11-21 00:50:37,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4704949a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:37, skipping insertion in model container [2021-11-21 00:50:37,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:50:37" (1/1) ... [2021-11-21 00:50:37,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:50:37,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:50:37,809 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_9fddbde3-cb08-416f-be1c-84a644ca9f3b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2021-11-21 00:50:37,938 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_9fddbde3-cb08-416f-be1c-84a644ca9f3b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2021-11-21 00:50:37,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:50:37,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:50:38,004 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_9fddbde3-cb08-416f-be1c-84a644ca9f3b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2021-11-21 00:50:38,070 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_9fddbde3-cb08-416f-be1c-84a644ca9f3b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2021-11-21 00:50:38,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:50:38,117 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:50:38,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38 WrapperNode [2021-11-21 00:50:38,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:50:38,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:50:38,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:50:38,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:50:38,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,234 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 00:50:38,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:50:38,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:50:38,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:50:38,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:50:38,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:50:38,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:50:38,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:50:38,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:50:38,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (1/1) ... [2021-11-21 00:50:38,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:50:38,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:50:38,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:50:38,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:50:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:50:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:50:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:50:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:50:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:50:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:50:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:50:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:50:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:50:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:50:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:50:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:50:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:50:38,808 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:50:38,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:50:39,850 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:50:40,307 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:50:40,307 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:50:40,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:40 BoogieIcfgContainer [2021-11-21 00:50:40,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:50:40,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:50:40,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:50:40,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:50:40,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:50:37" (1/3) ... [2021-11-21 00:50:40,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693b52d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:50:40, skipping insertion in model container [2021-11-21 00:50:40,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:38" (2/3) ... [2021-11-21 00:50:40,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693b52d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:50:40, skipping insertion in model container [2021-11-21 00:50:40,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:40" (3/3) ... [2021-11-21 00:50:40,325 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-1.i [2021-11-21 00:50:40,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:50:40,332 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 00:50:40,388 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:50:40,396 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:50:40,398 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 00:50:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:50:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:50:40,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:50:40,420 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:50:40,420 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:50:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:50:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-21 00:50:40,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:50:40,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182354080] [2021-11-21 00:50:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:40,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:50:40,578 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:50:40,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363323462] [2021-11-21 00:50:40,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:40,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:50:40,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:50:40,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:50:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:50:40,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:50:40,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:50:40,864 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 [2021-11-21 00:50:40,954 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 20 treesize of output 12 [2021-11-21 00:50:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:50:40,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:50:40,966 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:50:40,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182354080] [2021-11-21 00:50:40,967 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:50:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363323462] [2021-11-21 00:50:40,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363323462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:50:40,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:50:40,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:50:40,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42765925] [2021-11-21 00:50:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:50:40,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:50:40,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:50:41,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:50:41,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:50:41,008 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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) [2021-11-21 00:50:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:50:42,769 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-21 00:50:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:50:42,777 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 [2021-11-21 00:50:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:50:42,787 INFO L225 Difference]: With dead ends: 341 [2021-11-21 00:50:42,788 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 00:50:42,791 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 [2021-11-21 00:50:42,795 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:50:42,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:50:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 00:50:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-21 00:50:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:50:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 00:50:42,845 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 00:50:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:50:42,845 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 00:50:42,846 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) [2021-11-21 00:50:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 00:50:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:50:42,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:50:42,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:50:42,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:50:43,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:43,059 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:50:43,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:50:43,064 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-21 00:50:43,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:50:43,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798229287] [2021-11-21 00:50:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:43,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:50:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:50:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:50:43,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:50:43,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798229287] [2021-11-21 00:50:43,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798229287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:50:43,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:50:43,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:50:43,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211006626] [2021-11-21 00:50:43,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:50:43,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:50:43,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:50:43,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:50:43,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:50:43,199 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:50:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:50:45,015 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 00:50:45,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:50:45,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 00:50:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:50:45,024 INFO L225 Difference]: With dead ends: 266 [2021-11-21 00:50:45,025 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 00:50:45,026 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 [2021-11-21 00:50:45,027 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:50:45,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:50:45,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 00:50:45,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 00:50:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:50:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 00:50:45,046 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 00:50:45,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:50:45,046 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 00:50:45,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:50:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 00:50:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:50:45,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:50:45,048 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] [2021-11-21 00:50:45,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:50:45,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:50:45,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:50:45,050 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-21 00:50:45,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:50:45,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147855441] [2021-11-21 00:50:45,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:45,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:50:45,072 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:50:45,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668302462] [2021-11-21 00:50:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:45,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:45,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:50:45,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:50:45,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:50:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:50:45,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:50:45,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:50:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:50:45,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:50:45,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:50:45,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147855441] [2021-11-21 00:50:45,478 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:50:45,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668302462] [2021-11-21 00:50:45,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668302462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:50:45,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:50:45,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:50:45,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440831360] [2021-11-21 00:50:45,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:50:45,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:50:45,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:50:45,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:50:45,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:50:45,482 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:50:47,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:50:47,508 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 00:50:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:50:47,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 00:50:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:50:47,524 INFO L225 Difference]: With dead ends: 332 [2021-11-21 00:50:47,524 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:50:47,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:50:47,526 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:50:47,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:50:47,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:50:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 00:50:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:50:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 00:50:47,554 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 00:50:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:50:47,555 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 00:50:47,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:50:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 00:50:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:50:47,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:50:47,557 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] [2021-11-21 00:50:47,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 00:50:47,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:47,775 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:50:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:50:47,775 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-21 00:50:47,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:50:47,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356894287] [2021-11-21 00:50:47,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:47,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:50:47,806 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:50:47,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852433213] [2021-11-21 00:50:47,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:47,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:47,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:50:47,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:50:47,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:50:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:50:48,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:50:48,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:50:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:50:48,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:50:48,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:50:48,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356894287] [2021-11-21 00:50:48,318 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:50:48,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852433213] [2021-11-21 00:50:48,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852433213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:50:48,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:50:48,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:50:48,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991431220] [2021-11-21 00:50:48,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:50:48,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:50:48,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:50:48,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:50:48,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:50:48,321 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:50:50,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:50:50,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:50:50,730 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 00:50:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:50:50,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 00:50:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:50:50,736 INFO L225 Difference]: With dead ends: 346 [2021-11-21 00:50:50,736 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 00:50:50,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:50:50,741 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:50:50,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:50:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 00:50:50,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 00:50:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:50:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 00:50:50,757 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 00:50:50,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:50:50,758 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 00:50:50,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:50:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 00:50:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:50:50,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:50:50,760 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] [2021-11-21 00:50:50,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 00:50:50,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:50,975 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:50:50,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:50:50,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-21 00:50:50,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:50:50,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82383368] [2021-11-21 00:50:50,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:50,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:50:50,991 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:50:50,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908517972] [2021-11-21 00:50:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:50,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:50:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:50:50,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:50:50,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fddbde3-cb08-416f-be1c-84a644ca9f3b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:50:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:50:51,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:50:51,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:50:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:50:51,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:50:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:50:51,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:50:51,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82383368] [2021-11-21 00:50:51,844 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:50:51,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908517972] [2021-11-21 00:50:51,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908517972] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:50:51,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [751595858] [2021-11-21 00:50:51,864 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:50:51,865 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:50:51,869 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:50:51,874 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:50:51,875 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:50:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:51,950 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 [2021-11-21 00:50:51,981 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 15 treesize of output 1 [2021-11-21 00:50:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,010 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:50:52,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:50:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:50:52,065 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 [2021-11-21 00:50:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,225 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:50:52,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:50:52,257 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 [2021-11-21 00:50:52,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,304 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:50:52,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:50:52,341 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 [2021-11-21 00:50:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,416 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:50:52,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:50:52,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:52,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 00:50:52,732 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 19 treesize of output 1 [2021-11-21 00:50:52,765 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 19 treesize of output 1 [2021-11-21 00:50:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 00:50:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 00:50:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,174 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 29 treesize of output 19 [2021-11-21 00:50:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,211 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 29 treesize of output 19 [2021-11-21 00:50:54,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:50:54,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 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 [2021-11-21 00:50:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:50:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,666 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:50:54,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 77 [2021-11-21 00:50:54,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:50:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,804 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:50:54,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:50:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,890 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 00:50:54,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:50:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:54,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:50:55,454 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 [2021-11-21 00:50:55,459 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 [2021-11-21 00:50:55,465 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 [2021-11-21 00:50:55,530 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:50:55,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 00:50:55,553 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:50:55,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 00:50:55,570 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:50:55,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 00:50:55,628 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 [2021-11-21 00:50:55,635 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 [2021-11-21 00:50:55,642 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 [2021-11-21 00:50:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 00:50:55,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,755 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 68 treesize of output 26 [2021-11-21 00:50:55,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:55,798 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 46 treesize of output 16 [2021-11-21 00:50:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,105 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 68 treesize of output 26 [2021-11-21 00:50:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 00:50:56,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:56,248 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 46 treesize of output 16 [2021-11-21 00:51:02,639 WARN L227 SmtUtils]: Spent 6.27s 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) [2021-11-21 00:51:02,640 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:51:02,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:51:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:13,519 WARN L227 SmtUtils]: Spent 10.83s 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) [2021-11-21 00:51:13,519 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:51:13,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:51:25,096 WARN L227 SmtUtils]: Spent 11.40s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:51:25,097 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:51:25,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 00:51:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:25,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:26,895 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:51:26,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 00:51:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:27,997 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:51:27,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 00:51:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:30,636 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:51:30,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:51:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:31,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:51:31,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 00:51:33,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:34,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:34,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:35,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:36,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:36,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:37,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:37,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:38,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:38,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:39,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:40,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:41,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:41,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:41,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:41,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:43,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:44,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:46,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:51:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:46,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:51:46,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:51:46,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:51:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:46,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:46,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:51:46,189 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-21 00:51:46,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1319 treesize of output 865 [2021-11-21 00:51:47,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:48,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:54,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:55,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:55,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:56,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:57,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:57,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:57,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:57,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:58,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:58,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:01,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:01,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:02,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:03,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:04,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:04,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:05,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:05,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:05,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:05,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:14,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,503 INFO L244 Elim1Store]: Index analysis took 404 ms [2021-11-21 00:52:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,704 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-21 00:52:14,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4848 treesize of output 3280 [2021-11-21 00:52:15,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,861 INFO L244 Elim1Store]: Index analysis took 352 ms [2021-11-21 00:52:16,267 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-21 00:52:16,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4904 treesize of output 3326 [2021-11-21 00:52:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,185 INFO L244 Elim1Store]: Index analysis took 447 ms [2021-11-21 00:52:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:23,108 INFO L354 Elim1Store]: treesize reduction 6592, result has 45.3 percent of original size [2021-11-21 00:52:23,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4848 treesize of output 8650 [2021-11-21 00:52:24,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:25,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:25,452 INFO L244 Elim1Store]: Index analysis took 515 ms [2021-11-21 00:52:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:25,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:26,189 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-21 00:52:26,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5685 treesize of output 3935 [2021-11-21 00:52:29,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:30,156 INFO L244 Elim1Store]: Index analysis took 975 ms [2021-11-21 00:52:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:40,398 WARN L227 SmtUtils]: Spent 8.17s on a formula simplification. DAG size of input: 152 DAG size of output: 97 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:52:40,398 INFO L354 Elim1Store]: treesize reduction 8966, result has 44.9 percent of original size [2021-11-21 00:52:40,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 4869 treesize of output 10502 [2021-11-21 00:52:44,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:52:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:44,541 INFO L244 Elim1Store]: Index analysis took 599 ms [2021-11-21 00:52:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:48,048 INFO L354 Elim1Store]: treesize reduction 6628, result has 45.3 percent of original size [2021-11-21 00:52:48,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5363 treesize of output 9105 [2021-11-21 00:52:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:55,684 INFO L244 Elim1Store]: Index analysis took 295 ms [2021-11-21 00:52:55,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:58,103 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-21 00:52:58,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 5083 treesize of output 7963 [2021-11-21 00:53:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:21,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:53:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:22,721 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:53:22,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 00:53:23,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:23,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:23,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 00:53:35,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:35,779 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 00:53:35,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76011 treesize of output 76025 [2021-11-21 00:55:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver