./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7 --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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:45:01,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:45:01,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:45:01,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:45:01,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:45:01,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:45:01,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:45:01,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:45:01,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:45:01,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:45:01,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:45:01,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:45:01,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:45:01,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:45:01,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:45:01,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:45:01,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:45:01,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:45:01,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:45:02,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:45:02,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:45:02,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:45:02,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:45:02,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:45:02,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:45:02,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:45:02,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:45:02,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:45:02,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:45:02,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:45:02,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:45:02,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:45:02,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:45:02,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:45:02,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:45:02,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:45:02,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:45:02,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:45:02,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:45:02,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:45:02,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:45:02,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:45:02,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:45:02,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:45:02,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:45:02,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:45:02,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:45:02,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:45:02,097 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:45:02,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:45:02,097 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:45:02,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:45:02,098 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:45:02,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:45:02,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:45:02,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:45:02,099 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:45:02,100 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:45:02,100 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:45:02,100 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:45:02,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:45:02,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:45:02,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:45:02,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:45:02,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:45:02,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:45:02,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:45:02,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:45:02,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:45:02,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:45:02,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:45:02,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:45:02,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:45:02,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:45:02,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:45:02,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:45:02,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:45:02,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:45:02,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:45:02,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:45:02,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:45:02,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:45:02,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:45:02,107 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_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2021-11-25 19:45:02,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:45:02,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:45:02,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:45:02,488 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:45:02,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:45:02,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-25 19:45:02,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/data/13af10afa/e926584c4cf742da829edc3b4ad8edde/FLAGf5569261f [2021-11-25 19:45:03,344 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:45:03,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-25 19:45:03,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/data/13af10afa/e926584c4cf742da829edc3b4ad8edde/FLAGf5569261f [2021-11-25 19:45:03,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/data/13af10afa/e926584c4cf742da829edc3b4ad8edde [2021-11-25 19:45:03,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:45:03,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:45:03,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:45:03,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:45:03,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:45:03,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:45:03" (1/1) ... [2021-11-25 19:45:03,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a693fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:03, skipping insertion in model container [2021-11-25 19:45:03,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:45:03" (1/1) ... [2021-11-25 19:45:03,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:45:03,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:45:04,107 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_31f755d6-f0fc-4b79-88be-457499af58ce/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-25 19:45:04,257 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_31f755d6-f0fc-4b79-88be-457499af58ce/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-25 19:45:04,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:45:04,282 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:45:04,314 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_31f755d6-f0fc-4b79-88be-457499af58ce/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-25 19:45:04,402 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_31f755d6-f0fc-4b79-88be-457499af58ce/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-25 19:45:04,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:45:04,477 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:45:04,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04 WrapperNode [2021-11-25 19:45:04,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:45:04,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:45:04,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:45:04,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:45:04,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,603 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 19:45:04,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:45:04,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:45:04,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:45:04,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:45:04,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:45:04,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:45:04,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:45:04,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:45:04,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (1/1) ... [2021-11-25 19:45:04,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:45:04,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:04,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:45:04,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:45:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:45:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:45:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:45:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:45:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:45:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:45:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 19:45:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 19:45:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:45:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:45:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:45:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:45:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:45:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:45:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:45:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:45:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:45:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:45:05,193 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:45:05,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:45:06,352 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:45:06,844 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:45:06,844 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 19:45:06,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:06 BoogieIcfgContainer [2021-11-25 19:45:06,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:45:06,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:45:06,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:45:06,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:45:06,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:45:03" (1/3) ... [2021-11-25 19:45:06,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dff835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:06, skipping insertion in model container [2021-11-25 19:45:06,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:04" (2/3) ... [2021-11-25 19:45:06,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dff835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:06, skipping insertion in model container [2021-11-25 19:45:06,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:06" (3/3) ... [2021-11-25 19:45:06,857 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-2.i [2021-11-25 19:45:06,865 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:45:06,865 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:45:06,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:45:06,930 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:45:06,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:45:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:45:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:45:06,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:06,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:06,957 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:06,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-25 19:45:06,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:06,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754645174] [2021-11-25 19:45:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:06,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:07,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:07,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754645174] [2021-11-25 19:45:07,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754645174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:07,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:07,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:45:07,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316343058] [2021-11-25 19:45:07,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:07,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:45:07,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:07,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:45:07,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:45:07,209 INFO L87 Difference]: Start difference. First operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:08,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:45:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:08,783 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-25 19:45:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:45:08,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-25 19:45:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:08,797 INFO L225 Difference]: With dead ends: 323 [2021-11-25 19:45:08,797 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 19:45:08,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:45:08,806 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:08,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:45:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 19:45:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 19:45:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:45:08,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 19:45:08,863 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 19:45:08,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:08,864 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 19:45:08,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 19:45:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:45:08,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:08,867 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] [2021-11-25 19:45:08,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:45:08,867 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:08,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:08,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-25 19:45:08,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:08,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607489758] [2021-11-25 19:45:08,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:08,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:08,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:08,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607489758] [2021-11-25 19:45:08,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607489758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:08,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:08,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:45:08,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837227480] [2021-11-25 19:45:08,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:08,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:45:08,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:08,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:45:08,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:45:08,948 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:10,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:10,307 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 19:45:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:45:10,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-25 19:45:10,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:10,311 INFO L225 Difference]: With dead ends: 293 [2021-11-25 19:45:10,311 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 19:45:10,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:45:10,314 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:10,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:45:10,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 19:45:10,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 19:45:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:45:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 19:45:10,351 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 19:45:10,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:10,351 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 19:45:10,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 19:45:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:45:10,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:10,354 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] [2021-11-25 19:45:10,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:45:10,354 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:10,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:10,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-25 19:45:10,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:10,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329156229] [2021-11-25 19:45:10,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:10,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:10,538 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:10,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138475235] [2021-11-25 19:45:10,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:10,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:10,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:10,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:45:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:11,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:45:11,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:11,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:11,477 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:11,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329156229] [2021-11-25 19:45:11,478 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:11,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138475235] [2021-11-25 19:45:11,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138475235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:11,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:11,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:45:11,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65899202] [2021-11-25 19:45:11,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:11,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:45:11,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:11,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:45:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:11,484 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:12,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:12,413 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 19:45:12,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:45:12,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 19:45:12,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:12,417 INFO L225 Difference]: With dead ends: 341 [2021-11-25 19:45:12,417 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 19:45:12,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:12,420 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:12,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:45:12,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 19:45:12,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 19:45:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 19:45:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 19:45:12,453 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 19:45:12,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:12,454 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 19:45:12,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 19:45:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:45:12,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:12,456 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] [2021-11-25 19:45:12,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:45:12,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:12,677 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:12,678 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-25 19:45:12,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:12,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047663593] [2021-11-25 19:45:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:12,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:12,787 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:12,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659061447] [2021-11-25 19:45:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:12,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:12,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:12,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:12,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:45:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:13,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:45:13,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:14,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:14,004 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:14,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047663593] [2021-11-25 19:45:14,004 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:14,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659061447] [2021-11-25 19:45:14,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659061447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:14,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:14,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:45:14,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509302930] [2021-11-25 19:45:14,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:14,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:45:14,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:14,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:45:14,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:45:14,007 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:45:15,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:15,558 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 19:45:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:45:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 19:45:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:15,566 INFO L225 Difference]: With dead ends: 372 [2021-11-25 19:45:15,566 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 19:45:15,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:45:15,568 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:15,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:45:15,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 19:45:15,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 19:45:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 19:45:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 19:45:15,587 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 19:45:15,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:15,588 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 19:45:15,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:45:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 19:45:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 19:45:15,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:15,590 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:15,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:15,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:15,805 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-25 19:45:15,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:15,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225255938] [2021-11-25 19:45:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:15,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:15,876 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:15,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113797626] [2021-11-25 19:45:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:15,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:15,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:15,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:15,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31f755d6-f0fc-4b79-88be-457499af58ce/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:45:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:17,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:45:17,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:45:17,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:45:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:45:17,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:17,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225255938] [2021-11-25 19:45:17,464 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:17,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113797626] [2021-11-25 19:45:17,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113797626] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:45:17,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864767848] [2021-11-25 19:45:17,494 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 19:45:17,495 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:45:17,499 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:45:17,504 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:45:17,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:45:17,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:45:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,687 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:45:17,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 19:45:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,722 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:45:17,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 19:45:17,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:45:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,744 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 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:45:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,803 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 [2021-11-25 19:45:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,846 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:45:17,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:45:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,892 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:45:17,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 19:45:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,915 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 [2021-11-25 19:45:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:17,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-25 19:45:18,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 19:45:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 19:45:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:45:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:45:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:45:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:45:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:45:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:45:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:45:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:45:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:45:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,848 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:45:18,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 19:45:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:18,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 19:45:19,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:45:19,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:45:19,018 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 14 treesize of output 10 [2021-11-25 19:45:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:45:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:45:19,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:45:19,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:45:19,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:45:19,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:45:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:45:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 19:45:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:45:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:45:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 19:45:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:19,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:45:26,969 WARN L227 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:45:26,969 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:45:26,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:45:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:40,336 WARN L227 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:45:40,337 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:45:40,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:45:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:40,959 INFO L244 Elim1Store]: Index analysis took 327 ms [2021-11-25 19:45:53,572 WARN L227 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:45:53,573 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:45:53,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:45:54,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,345 INFO L244 Elim1Store]: Index analysis took 241 ms [2021-11-25 19:45:55,157 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:45:55,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:45:55,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:55,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:55,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:45:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:56,112 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:45:56,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 19:45:56,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:56,456 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:45:56,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 19:45:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:56,662 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:45:56,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 19:45:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:56,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 19:45:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:56,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 19:45:56,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:56,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:57,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,179 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:45:57,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 19:45:57,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 19:45:58,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:58,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:59,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:45:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,307 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:45:59,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 19:45:59,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:45:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:45:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,516 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-25 19:45:59,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:45:59,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 19:45:59,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:59,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:00,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 19:46:00,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 19:46:00,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:00,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 19:46:00,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:00,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 19:46:00,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:00,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:01,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 19:46:02,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:02,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 19:46:02,628 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:02,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:02,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,867 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-25 19:46:02,881 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 19:46:02,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 19:46:02,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:03,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,155 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-25 19:46:03,291 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 19:46:03,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2264 [2021-11-25 19:46:03,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:03,495 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:03,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:03,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:03,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:03,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:03,950 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 19:46:03,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2792 treesize of output 2342 [2021-11-25 19:46:04,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:04,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:04,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,243 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 19:46:04,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2248 [2021-11-25 19:46:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:04,518 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-25 19:46:05,421 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 19:46:05,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 2887 [2021-11-25 19:46:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:05,872 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 19:46:07,225 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 19:46:07,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3032 [2021-11-25 19:46:07,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:07,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:08,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,430 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 19:46:08,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 19:46:08,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:08,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,963 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 19:46:08,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 19:46:09,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:09,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:09,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:09,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:09,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:09,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,807 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 2804 treesize of output 2342 [2021-11-25 19:46:09,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,063 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 2704 treesize of output 2248 [2021-11-25 19:46:10,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,617 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 2804 treesize of output 2342 [2021-11-25 19:46:10,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:10,768 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 2704 treesize of output 2248 [2021-11-25 19:46:10,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:10,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:12,553 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-25 19:46:12,815 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:46:12,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 19:46:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:14,187 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-25 19:46:18,500 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:46:18,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 78023 treesize of output 79003