./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V --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 eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:25:28,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:25:28,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:25:28,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:25:28,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:25:28,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:25:28,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:25:28,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:25:28,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:25:28,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:25:28,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:25:28,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:25:28,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:25:28,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:25:28,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:25:28,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:25:28,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:25:28,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:25:28,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:25:29,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:25:29,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:25:29,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:25:29,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:25:29,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:25:29,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:25:29,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:25:29,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:25:29,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:25:29,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:25:29,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:25:29,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:25:29,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:25:29,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:25:29,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:25:29,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:25:29,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:25:29,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:25:29,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:25:29,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:25:29,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:25:29,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:25:29,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:25:29,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:25:29,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:25:29,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:25:29,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:25:29,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:25:29,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:25:29,075 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:25:29,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:25:29,075 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:25:29,076 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:25:29,077 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:25:29,077 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:25:29,077 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:25:29,077 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:25:29,078 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:25:29,078 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:25:29,078 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:25:29,078 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:25:29,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:25:29,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:25:29,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:25:29,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:25:29,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:25:29,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:25:29,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:25:29,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:25:29,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:25:29,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:25:29,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:25:29,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:25:29,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:25:29,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:25:29,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:25:29,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:25:29,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:29,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:25:29,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:25:29,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:25:29,086 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:25:29,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:25:29,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:25:29,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:25:29,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:25:29,087 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_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2021-11-23 02:25:29,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:25:29,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:25:29,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:25:29,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:25:29,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:25:29,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2021-11-23 02:25:29,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/data/c51a6bfd7/9af37e99a4de4faabeaae58ea538d9a2/FLAGcf0956e2a [2021-11-23 02:25:30,094 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:25:30,094 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2021-11-23 02:25:30,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/data/c51a6bfd7/9af37e99a4de4faabeaae58ea538d9a2/FLAGcf0956e2a [2021-11-23 02:25:30,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/data/c51a6bfd7/9af37e99a4de4faabeaae58ea538d9a2 [2021-11-23 02:25:30,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:25:30,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:25:30,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:30,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:25:30,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:25:30,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:30" (1/1) ... [2021-11-23 02:25:30,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4448ef86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:30, skipping insertion in model container [2021-11-23 02:25:30,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:30" (1/1) ... [2021-11-23 02:25:30,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:25:30,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:25:30,905 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_b147b32b-fcb9-42f8-82b2-27d3517a6321/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[33021,33034] [2021-11-23 02:25:30,995 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_b147b32b-fcb9-42f8-82b2-27d3517a6321/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[44590,44603] [2021-11-23 02:25:31,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:25:31,012 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:25:31,040 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_b147b32b-fcb9-42f8-82b2-27d3517a6321/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[33021,33034] [2021-11-23 02:25:31,141 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_b147b32b-fcb9-42f8-82b2-27d3517a6321/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[44590,44603] [2021-11-23 02:25:31,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:25:31,208 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:25:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31 WrapperNode [2021-11-23 02:25:31,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:31,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:25:31,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:25:31,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:25:31,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,380 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-23 02:25:31,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:25:31,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:25:31,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:25:31,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:25:31,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:25:31,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:25:31,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:25:31,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:25:31,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:31,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:31,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:25:31,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:25:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:25:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:25:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:25:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:25:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:25:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:25:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:25:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:25:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:25:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:25:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:25:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:25:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:25:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:25:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:25:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:25:31,871 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:25:31,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:25:32,821 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:25:33,187 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:25:33,187 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 02:25:33,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:33 BoogieIcfgContainer [2021-11-23 02:25:33,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:25:33,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:25:33,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:25:33,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:25:33,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:30" (1/3) ... [2021-11-23 02:25:33,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d36992f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:33, skipping insertion in model container [2021-11-23 02:25:33,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31" (2/3) ... [2021-11-23 02:25:33,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d36992f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:33, skipping insertion in model container [2021-11-23 02:25:33,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:33" (3/3) ... [2021-11-23 02:25:33,204 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2021-11-23 02:25:33,210 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:25:33,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:25:33,271 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:25:33,280 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 [2021-11-23 02:25:33,280 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:25:33,306 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) [2021-11-23 02:25:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:25:33,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:33,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:25:33,312 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)] === [2021-11-23 02:25:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-23 02:25:33,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:33,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016594850] [2021-11-23 02:25:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:33,459 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:33,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911399618] [2021-11-23 02:25:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:33,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:33,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:33,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:33,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:25:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:33,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:25:33,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:33,795 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 [2021-11-23 02:25:33,885 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 [2021-11-23 02:25:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:33,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:33,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:33,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016594850] [2021-11-23 02:25:33,899 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:33,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911399618] [2021-11-23 02:25:33,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911399618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:33,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:33,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:25:33,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962855531] [2021-11-23 02:25:33,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:33,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:25:33,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:33,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:25:33,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:25:33,963 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) [2021-11-23 02:25:35,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:35,993 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-23 02:25:36,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:25:36,004 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 [2021-11-23 02:25:36,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:36,016 INFO L225 Difference]: With dead ends: 341 [2021-11-23 02:25:36,016 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 02:25:36,020 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 [2021-11-23 02:25:36,023 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:36,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:25:36,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 02:25:36,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-23 02:25:36,073 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) [2021-11-23 02:25:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-23 02:25:36,077 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-23 02:25:36,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:36,077 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-23 02:25:36,078 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) [2021-11-23 02:25:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-23 02:25:36,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:25:36,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:36,079 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:36,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:36,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:25:36,293 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)] === [2021-11-23 02:25:36,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:36,294 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-23 02:25:36,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:36,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470856904] [2021-11-23 02:25:36,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:36,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:36,382 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:36,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470856904] [2021-11-23 02:25:36,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470856904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:36,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:36,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:25:36,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061171694] [2021-11-23 02:25:36,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:36,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:25:36,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:36,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:25:36,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:25:36,391 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) [2021-11-23 02:25:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:38,573 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-23 02:25:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:25:38,580 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 [2021-11-23 02:25:38,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:38,583 INFO L225 Difference]: With dead ends: 266 [2021-11-23 02:25:38,583 INFO L226 Difference]: Without dead ends: 195 [2021-11-23 02:25:38,584 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 [2021-11-23 02:25:38,585 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:38,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:25:38,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-23 02:25:38,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-23 02:25:38,600 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) [2021-11-23 02:25:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-23 02:25:38,602 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-23 02:25:38,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:38,602 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-23 02:25:38,602 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) [2021-11-23 02:25:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-23 02:25:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:25:38,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:38,604 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] [2021-11-23 02:25:38,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:25:38,605 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)] === [2021-11-23 02:25:38,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:38,605 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-23 02:25:38,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:38,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530899521] [2021-11-23 02:25:38,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:38,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:38,627 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:38,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509283400] [2021-11-23 02:25:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:38,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:38,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:38,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:38,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:25:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:38,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:25:38,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:38,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:38,981 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:38,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530899521] [2021-11-23 02:25:38,982 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:38,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509283400] [2021-11-23 02:25:38,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509283400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:38,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:38,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:25:38,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506562782] [2021-11-23 02:25:38,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:38,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:25:38,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:38,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:25:38,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:25:38,985 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) [2021-11-23 02:25:40,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:25:41,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:25:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:41,504 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-23 02:25:41,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:25:41,519 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 [2021-11-23 02:25:41,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:41,520 INFO L225 Difference]: With dead ends: 332 [2021-11-23 02:25:41,521 INFO L226 Difference]: Without dead ends: 201 [2021-11-23 02:25:41,522 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 [2021-11-23 02:25:41,523 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:41,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:25:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-23 02:25:41,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-23 02:25:41,560 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) [2021-11-23 02:25:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-23 02:25:41,562 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-23 02:25:41,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:41,566 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-23 02:25:41,566 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) [2021-11-23 02:25:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-23 02:25:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:25:41,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:41,569 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] [2021-11-23 02:25:41,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:41,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:41,785 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)] === [2021-11-23 02:25:41,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:41,786 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-23 02:25:41,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:41,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027467044] [2021-11-23 02:25:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:41,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:41,823 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:41,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960230083] [2021-11-23 02:25:41,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:41,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:41,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:41,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:41,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:25:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:42,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:25:42,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:42,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:42,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:42,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027467044] [2021-11-23 02:25:42,320 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:42,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960230083] [2021-11-23 02:25:42,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960230083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:42,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:42,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:25:42,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762691204] [2021-11-23 02:25:42,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:42,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:25:42,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:42,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:25:42,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:25:42,322 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) [2021-11-23 02:25:44,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:25:44,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:44,954 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-23 02:25:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:25:44,959 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 [2021-11-23 02:25:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:44,964 INFO L225 Difference]: With dead ends: 346 [2021-11-23 02:25:44,964 INFO L226 Difference]: Without dead ends: 183 [2021-11-23 02:25:44,965 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 [2021-11-23 02:25:44,966 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:44,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 02:25:44,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-23 02:25:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-23 02:25:44,982 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) [2021-11-23 02:25:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-23 02:25:44,984 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-23 02:25:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:44,984 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-23 02:25:44,985 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) [2021-11-23 02:25:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-23 02:25:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:25:44,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:44,987 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] [2021-11-23 02:25:45,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 02:25:45,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:45,197 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)] === [2021-11-23 02:25:45,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:45,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-23 02:25:45,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:45,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647944685] [2021-11-23 02:25:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:45,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:45,211 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:45,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675301312] [2021-11-23 02:25:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:45,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:45,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:45,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:45,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b147b32b-fcb9-42f8-82b2-27d3517a6321/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:25:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:45,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:25:45,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:25:45,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:25:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:25:46,062 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:46,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647944685] [2021-11-23 02:25:46,062 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:46,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675301312] [2021-11-23 02:25:46,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675301312] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:25:46,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [166134467] [2021-11-23 02:25:46,083 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:25:46,083 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:25:46,087 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:25:46,092 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:25:46,093 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:25:46,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,162 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 [2021-11-23 02:25:46,170 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 [2021-11-23 02:25:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,195 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:25:46,196 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 [2021-11-23 02:25:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 02:25:46,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:25:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,271 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:25:46,272 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 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 02:25:46,283 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 [2021-11-23 02:25:46,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,321 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:25:46,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 02:25:46,334 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 [2021-11-23 02:25:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,381 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:25:46,382 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 [2021-11-23 02:25:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 02:25:46,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:25:46,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:25:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-23 02:25:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-23 02:25:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:25:46,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:25:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:46,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:25:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-23 02:25:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:25:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:25:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 02:25:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,217 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:25:47,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 02:25:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,295 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 02:25:47,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 02:25:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:25:47,447 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 [2021-11-23 02:25:47,451 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 [2021-11-23 02:25:47,456 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 [2021-11-23 02:25:47,517 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 02:25:47,518 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 [2021-11-23 02:25:47,545 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 02:25:47,546 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 [2021-11-23 02:25:47,572 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 02:25:47,573 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 [2021-11-23 02:25:47,596 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 [2021-11-23 02:25:47,602 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 [2021-11-23 02:25:47,608 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 [2021-11-23 02:25:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:25:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:25:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:25:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:25:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:25:47,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:47,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:25:55,770 WARN L227 SmtUtils]: Spent 7.75s 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) [2021-11-23 02:25:55,771 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:25:55,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 02:25:55,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:08,094 WARN L227 SmtUtils]: Spent 12.28s 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) [2021-11-23 02:26:08,095 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:26:08,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 02:26:20,208 WARN L227 SmtUtils]: Spent 11.98s 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) [2021-11-23 02:26:20,210 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:26:20,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 02:26:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:20,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:22,645 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 02:26:22,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-23 02:26:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:22,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:23,804 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:26:23,805 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 9 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-23 02:26:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:24,771 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:26:24,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-23 02:26:25,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:25,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:26:25,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-23 02:26:25,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:25,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:28,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:29,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:29,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:29,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:29,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:29,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:29,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:32,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:32,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,254 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 2679 treesize of output 2225 [2021-11-23 02:26:32,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:33,986 INFO L244 Elim1Store]: Index analysis took 283 ms [2021-11-23 02:26:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,210 INFO L354 Elim1Store]: treesize reduction 8875, result has 45.5 percent of original size [2021-11-23 02:26:39,211 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 6722 treesize of output 12446 [2021-11-23 02:26:39,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:39,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:39,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,609 INFO L244 Elim1Store]: Index analysis took 242 ms [2021-11-23 02:26:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:39,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:40,079 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-23 02:26:40,080 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 6701 treesize of output 5133 [2021-11-23 02:26:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:40,484 INFO L244 Elim1Store]: Index analysis took 277 ms [2021-11-23 02:26:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:43,394 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-23 02:26:43,394 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 17115 treesize of output 19887 [2021-11-23 02:26:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:46,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:46,170 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-11-23 02:26:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:49,031 INFO L354 Elim1Store]: treesize reduction 6632, result has 45.0 percent of original size [2021-11-23 02:26:49,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 6701 treesize of output 10463 [2021-11-23 02:26:49,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:49,328 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-23 02:26:49,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:52,103 INFO L354 Elim1Store]: treesize reduction 6674, result has 44.9 percent of original size [2021-11-23 02:26:52,104 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 15771 treesize of output 19359 [2021-11-23 02:26:53,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:53,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:53,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,039 INFO L244 Elim1Store]: Index analysis took 233 ms [2021-11-23 02:26:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,433 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-23 02:26:54,434 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 9099 treesize of output 7345 [2021-11-23 02:26:54,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:54,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:54,845 INFO L244 Elim1Store]: Index analysis took 192 ms [2021-11-23 02:26:55,073 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-23 02:26:55,074 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 10884 treesize of output 9296 [2021-11-23 02:26:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:57,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-23 02:26:58,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:58,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:58,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:58,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:58,499 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-23 02:26:58,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-23 02:26:58,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:58,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:58,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-23 02:27:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:27:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:27:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:27:05,501 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:27:05,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 428076 treesize of output 428090 [2021-11-23 02:29:18,082 INFO L190 IndexEqualityManager]: detected not equals via solver