./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7770ba1119c1ebb05279b2f71af570d7d6521032dfc344bf6d89fc60d99335e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:08:06,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:08:06,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:08:06,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:08:06,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:08:06,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:08:06,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:08:06,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:08:06,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:08:06,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:08:06,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:08:06,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:08:06,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:08:06,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:08:06,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:08:06,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:08:06,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:08:06,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:08:06,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:08:06,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:08:06,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:08:06,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:08:06,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:08:06,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:08:06,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:08:06,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:08:06,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:08:06,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:08:06,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:08:06,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:08:06,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:08:06,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:08:06,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:08:06,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:08:06,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:08:06,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:08:06,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:08:06,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:08:06,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:08:06,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:08:06,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:08:06,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:08:07,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:08:07,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:08:07,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:08:07,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:08:07,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:08:07,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:08:07,048 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:08:07,048 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:08:07,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:08:07,049 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:08:07,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:08:07,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:08:07,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:08:07,050 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:08:07,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:08:07,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:08:07,051 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:08:07,051 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:08:07,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:08:07,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:08:07,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:08:07,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:08:07,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:08:07,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:08:07,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:08:07,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:08:07,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:08:07,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:08:07,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:08:07,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:08:07,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:08:07,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:08:07,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:08:07,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:08:07,055 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_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7770ba1119c1ebb05279b2f71af570d7d6521032dfc344bf6d89fc60d99335e2 [2021-11-21 01:08:07,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:08:07,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:08:07,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:08:07,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:08:07,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:08:07,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i [2021-11-21 01:08:07,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/data/c180c040a/9c2dfec15366481cb96850ee28588a55/FLAGdd1b0cda9 [2021-11-21 01:08:08,059 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:08:08,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i [2021-11-21 01:08:08,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/data/c180c040a/9c2dfec15366481cb96850ee28588a55/FLAGdd1b0cda9 [2021-11-21 01:08:08,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/data/c180c040a/9c2dfec15366481cb96850ee28588a55 [2021-11-21 01:08:08,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:08:08,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:08:08,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:08:08,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:08:08,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:08:08,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:08:08" (1/1) ... [2021-11-21 01:08:08,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1b02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:08, skipping insertion in model container [2021-11-21 01:08:08,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:08:08" (1/1) ... [2021-11-21 01:08:08,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:08:08,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:08:09,010 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_4dd069af-202a-4def-8d0c-0e85ef077654/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[33021,33034] [2021-11-21 01:08:09,236 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_4dd069af-202a-4def-8d0c-0e85ef077654/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[49681,49694] [2021-11-21 01:08:09,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:08:09,278 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:08:09,343 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_4dd069af-202a-4def-8d0c-0e85ef077654/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[33021,33034] [2021-11-21 01:08:09,442 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_4dd069af-202a-4def-8d0c-0e85ef077654/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[49681,49694] [2021-11-21 01:08:09,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:08:09,560 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:08:09,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09 WrapperNode [2021-11-21 01:08:09,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:08:09,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:08:09,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:08:09,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:08:09,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,732 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-21 01:08:09,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:08:09,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:08:09,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:08:09,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:08:09,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:08:09,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:08:09,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:08:09,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:08:09,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (1/1) ... [2021-11-21 01:08:09,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:08:09,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:09,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:08:09,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:08:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:08:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:08:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:08:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:08:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:08:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:08:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:08:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:08:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:08:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:08:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:08:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:08:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:08:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:08:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:08:09,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:08:10,252 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:08:10,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:08:11,642 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:08:12,176 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:08:12,177 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-21 01:08:12,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:08:12 BoogieIcfgContainer [2021-11-21 01:08:12,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:08:12,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:08:12,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:08:12,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:08:12,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:08:08" (1/3) ... [2021-11-21 01:08:12,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354b7e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:08:12, skipping insertion in model container [2021-11-21 01:08:12,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:09" (2/3) ... [2021-11-21 01:08:12,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354b7e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:08:12, skipping insertion in model container [2021-11-21 01:08:12,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:08:12" (3/3) ... [2021-11-21 01:08:12,191 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-2.i [2021-11-21 01:08:12,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:08:12,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 01:08:12,263 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:08:12,280 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 [2021-11-21 01:08:12,280 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 01:08:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 01:08:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 01:08:12,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:12,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 01:08:12,315 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:08:12,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:12,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-21 01:08:12,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:12,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962668121] [2021-11-21 01:08:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:12,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:12,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:12,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962668121] [2021-11-21 01:08:12,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962668121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:12,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:12,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:12,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352351194] [2021-11-21 01:08:12,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:12,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:08:12,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:12,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:08:12,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:12,536 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:14,526 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-21 01:08:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:08:14,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-21 01:08:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:14,550 INFO L225 Difference]: With dead ends: 469 [2021-11-21 01:08:14,550 INFO L226 Difference]: Without dead ends: 290 [2021-11-21 01:08:14,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:14,558 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:14,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:08:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-21 01:08:14,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-21 01:08:14,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 01:08:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-21 01:08:14,623 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-21 01:08:14,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:14,624 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-21 01:08:14,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-21 01:08:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 01:08:14,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:14,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:14,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:08:14,629 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:08:14,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-21 01:08:14,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:14,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223964242] [2021-11-21 01:08:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:14,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:14,668 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:14,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565131996] [2021-11-21 01:08:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:14,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:14,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:14,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:14,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:08:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:15,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:08:15,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:15,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:08:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:15,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:15,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223964242] [2021-11-21 01:08:15,605 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:15,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565131996] [2021-11-21 01:08:15,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565131996] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:08:15,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2084687265] [2021-11-21 01:08:15,647 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-21 01:08:15,652 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:08:15,657 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:08:15,665 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:08:15,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:08:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,880 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:08:15,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:08:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:08:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,001 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 22 treesize of output 7 [2021-11-21 01:08:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,034 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:08:16,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:08:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,116 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:08:16,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:08:16,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:08:16,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,225 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 22 treesize of output 7 [2021-11-21 01:08:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:17,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:08:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:08:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:08:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:08:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:19,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:19,426 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:08:20,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2084687265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:20,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:08:20,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:08:20,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282851045] [2021-11-21 01:08:20,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:20,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:08:20,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:20,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:08:20,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:08:20,165 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:23,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:23,074 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-21 01:08:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:08:23,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-11-21 01:08:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:23,077 INFO L225 Difference]: With dead ends: 313 [2021-11-21 01:08:23,077 INFO L226 Difference]: Without dead ends: 164 [2021-11-21 01:08:23,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:08:23,080 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:23,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-21 01:08:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-21 01:08:23,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-21 01:08:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 01:08:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-21 01:08:23,099 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-21 01:08:23,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:23,100 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-21 01:08:23,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-21 01:08:23,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 01:08:23,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:23,104 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:23,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:08:23,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:23,320 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:08:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-21 01:08:23,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:23,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256706785] [2021-11-21 01:08:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:23,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:23,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:23,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147571276] [2021-11-21 01:08:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:23,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:23,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:23,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:23,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:08:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:23,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:08:23,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:08:23,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:08:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:08:24,137 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:24,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256706785] [2021-11-21 01:08:24,139 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:24,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147571276] [2021-11-21 01:08:24,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147571276] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:08:24,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [108396222] [2021-11-21 01:08:24,148 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-21 01:08:24,149 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:08:24,150 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:08:24,150 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:08:24,150 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:08:24,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,297 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:08:24,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:08:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:08:24,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,385 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 22 treesize of output 7 [2021-11-21 01:08:24,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,422 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:08:24,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 38 [2021-11-21 01:08:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,490 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 22 treesize of output 7 [2021-11-21 01:08:24,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,554 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:08:24,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:08:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:24,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:24,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:08:26,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:08:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:08:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:08:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,720 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:08:26,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:08:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:08:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:08:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:27,015 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:08:27,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:08:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:27,100 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:08:27,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:08:29,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:08:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:08:29,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:08:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:08:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,055 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 01:08:30,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 127 treesize of output 138 [2021-11-21 01:08:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,144 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 01:08:30,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 01:08:30,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:08:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:30,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:08:31,281 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-21 01:08:31,683 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:08:33,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [108396222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:33,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:08:33,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:08:33,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972412359] [2021-11-21 01:08:33,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:33,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:08:33,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:33,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:08:33,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:08:33,398 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:08:38,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:08:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:41,143 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-21 01:08:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:08:41,144 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-21 01:08:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:41,146 INFO L225 Difference]: With dead ends: 315 [2021-11-21 01:08:41,146 INFO L226 Difference]: Without dead ends: 166 [2021-11-21 01:08:41,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:08:41,150 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:41,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 7.7s Time] [2021-11-21 01:08:41,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-21 01:08:41,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-21 01:08:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-21 01:08:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-21 01:08:41,173 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-21 01:08:41,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:41,174 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-21 01:08:41,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:08:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-21 01:08:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 01:08:41,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:41,179 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:41,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:08:41,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:41,393 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:08:41,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:41,394 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-21 01:08:41,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:41,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164508023] [2021-11-21 01:08:41,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:41,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:41,436 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:41,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582686907] [2021-11-21 01:08:41,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:41,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:41,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:41,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:41,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd069af-202a-4def-8d0c-0e85ef077654/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:08:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:41,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:08:41,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:08:42,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:08:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:08:42,306 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:42,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164508023] [2021-11-21 01:08:42,306 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:42,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582686907] [2021-11-21 01:08:42,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582686907] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:08:42,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [361652030] [2021-11-21 01:08:42,312 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-21 01:08:42,313 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:08:42,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:08:42,314 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:08:42,314 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:08:42,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,436 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:08:42,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:08:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:08:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,597 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:08:42,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 38 [2021-11-21 01:08:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,679 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:08:42,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:08:42,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:42,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:08:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:08:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:08:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:08:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:08:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:08:44,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:08:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:08:44,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,926 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:08:44,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:08:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:08:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,136 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:08:45,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 01:08:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,245 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 01:08:45,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 01:08:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:08:46,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:08:46,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:08:46,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:08:46,096 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:08:46,097 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 85 treesize of output 88 [2021-11-21 01:08:46,133 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:08:46,134 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 88 treesize of output 91 [2021-11-21 01:08:46,167 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:08:46,167 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 91 treesize of output 94 [2021-11-21 01:08:46,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:08:46,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:08:46,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:08:46,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:08:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:08:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:08:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:46,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:08:47,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:08:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:08:56,916 WARN L227 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:08:56,917 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:08:56,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:08:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:08,622 WARN L227 SmtUtils]: Spent 11.65s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:09:08,623 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:09:08,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:09:22,581 WARN L227 SmtUtils]: Spent 13.81s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:09:22,582 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:09:22,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 01:09:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:23,885 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:09:23,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-21 01:09:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:24,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:24,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:25,333 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:09:25,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-21 01:09:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:27,619 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:09:27,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:09:27,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:28,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:29,025 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:09:29,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44