./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/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 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:09:36,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:09:36,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:09:36,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:09:36,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:09:36,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:09:36,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:09:36,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:09:36,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:09:36,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:09:36,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:09:36,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:09:36,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:09:36,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:09:36,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:09:36,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:09:36,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:09:36,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:09:36,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:09:36,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:09:36,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:09:36,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:09:36,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:09:36,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:09:36,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:09:36,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:09:36,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:09:36,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:09:36,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:09:36,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:09:36,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:09:36,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:09:36,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:09:36,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:09:36,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:09:36,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:09:36,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:09:36,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:09:36,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:09:36,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:09:36,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:09:36,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:09:36,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:09:36,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:09:36,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:09:36,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:09:36,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:09:36,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:09:36,236 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:09:36,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:09:36,237 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:09:36,237 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:09:36,238 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:09:36,239 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:09:36,239 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:09:36,239 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:09:36,240 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:09:36,240 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:09:36,240 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:09:36,241 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:09:36,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:09:36,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:09:36,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:09:36,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:09:36,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:09:36,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:09:36,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:09:36,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:09:36,246 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:09:36,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:09:36,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:09:36,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:09:36,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:09:36,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:09:36,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:09:36,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:09:36,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:09:36,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:09:36,249 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:09:36,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:09:36,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:09:36,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:09:36,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:09:36,251 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2021-11-25 18:09:36,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:09:36,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:09:36,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:09:36,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:09:36,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:09:36,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-25 18:09:36,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/data/c8082001f/e5092d88ed0a45f39faa1c2f727821c4/FLAGb8d752869 [2021-11-25 18:09:37,301 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:09:37,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-25 18:09:37,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/data/c8082001f/e5092d88ed0a45f39faa1c2f727821c4/FLAGb8d752869 [2021-11-25 18:09:37,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/data/c8082001f/e5092d88ed0a45f39faa1c2f727821c4 [2021-11-25 18:09:37,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:09:37,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:09:37,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:09:37,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:09:37,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:09:37,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:09:37" (1/1) ... [2021-11-25 18:09:37,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67034d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:37, skipping insertion in model container [2021-11-25 18:09:37,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:09:37" (1/1) ... [2021-11-25 18:09:37,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:09:37,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:09:38,022 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-25 18:09:38,148 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-25 18:09:38,161 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-25 18:09:38,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:09:38,177 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:09:38,209 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-25 18:09:38,288 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-25 18:09:38,289 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_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-25 18:09:38,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:09:38,339 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:09:38,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38 WrapperNode [2021-11-25 18:09:38,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:09:38,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:09:38,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:09:38,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:09:38,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,476 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 18:09:38,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:09:38,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:09:38,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:09:38,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:09:38,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:09:38,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:09:38,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:09:38,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:09:38,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (1/1) ... [2021-11-25 18:09:38,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:09:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:38,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:09:38,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:09:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:09:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:09:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:09:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:09:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:09:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:09:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:09:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:09:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:09:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:09:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:09:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:09:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:09:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:09:39,076 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:09:39,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:09:40,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:09:40,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:09:40,527 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 18:09:40,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:40 BoogieIcfgContainer [2021-11-25 18:09:40,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:09:40,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:09:40,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:09:40,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:09:40,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:09:37" (1/3) ... [2021-11-25 18:09:40,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d26ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:40, skipping insertion in model container [2021-11-25 18:09:40,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:38" (2/3) ... [2021-11-25 18:09:40,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d26ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:40, skipping insertion in model container [2021-11-25 18:09:40,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:40" (3/3) ... [2021-11-25 18:09:40,544 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2021-11-25 18:09:40,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:09:40,554 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:09:40,619 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:09:40,634 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 18:09:40,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:09:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:09:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 18:09:40,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:40,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:40,668 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:40,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-25 18:09:40,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:40,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391765206] [2021-11-25 18:09:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:40,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:40,882 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 18:09:40,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:40,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391765206] [2021-11-25 18:09:40,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391765206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:40,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:40,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:09:40,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433151351] [2021-11-25 18:09:40,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:40,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:09:40,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:40,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:09:40,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:09:40,927 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 18:09:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:41,336 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-25 18:09:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:09:41,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-25 18:09:41,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:41,351 INFO L225 Difference]: With dead ends: 215 [2021-11-25 18:09:41,351 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 18:09:41,354 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 18:09:41,357 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:41,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:09:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 18:09:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 18:09:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:09:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 18:09:41,405 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 18:09:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:41,405 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 18:09:41,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 18:09:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 18:09:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:09:41,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:41,407 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:41,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:09:41,408 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:41,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-25 18:09:41,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:41,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577830502] [2021-11-25 18:09:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:41,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:41,482 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 18:09:41,482 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:41,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577830502] [2021-11-25 18:09:41,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577830502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:41,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:41,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:09:41,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055310433] [2021-11-25 18:09:41,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:41,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:09:41,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:41,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:09:41,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:09:41,487 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:09:43,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:43,306 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 18:09:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:09:43,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 18:09:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:43,314 INFO L225 Difference]: With dead ends: 219 [2021-11-25 18:09:43,314 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:09:43,315 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 18:09:43,317 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:43,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:09:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:09:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 18:09:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:09:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 18:09:43,332 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 18:09:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:43,332 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 18:09:43,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:09:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 18:09:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:09:43,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:43,335 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 18:09:43,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:09:43,336 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:43,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:43,336 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-25 18:09:43,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:43,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944009266] [2021-11-25 18:09:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:43,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:43,498 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:43,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565518716] [2021-11-25 18:09:43,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:43,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:43,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:43,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:43,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:09:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:44,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:09:44,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:09:44,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:09:44,272 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:44,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944009266] [2021-11-25 18:09:44,273 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:44,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565518716] [2021-11-25 18:09:44,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565518716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:44,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:44,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:09:44,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637021632] [2021-11-25 18:09:44,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:44,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:09:44,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:44,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:09:44,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:09:44,280 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 18:09:45,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:45,271 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 18:09:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:09:45,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-11-25 18:09:45,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:45,278 INFO L225 Difference]: With dead ends: 265 [2021-11-25 18:09:45,278 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 18:09:45,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 18:09:45,281 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:45,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:09:45,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 18:09:45,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 18:09:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:09:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 18:09:45,298 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 18:09:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:45,298 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 18:09:45,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 18:09:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 18:09:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 18:09:45,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:45,342 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] [2021-11-25 18:09:45,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:45,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:45,557 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:45,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:45,559 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-25 18:09:45,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:45,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142018999] [2021-11-25 18:09:45,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:45,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:45,653 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:45,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372026259] [2021-11-25 18:09:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:45,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:45,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:45,655 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:45,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:09:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:46,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:09:46,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:46,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:09:46,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:09:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:09:46,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:09:46,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:46,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142018999] [2021-11-25 18:09:46,293 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:46,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372026259] [2021-11-25 18:09:46,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372026259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:46,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:46,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:09:46,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487778511] [2021-11-25 18:09:46,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:46,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:09:46,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:46,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:09:46,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:09:46,298 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:09:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:48,547 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 18:09:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:09:48,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-25 18:09:48,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:48,559 INFO L225 Difference]: With dead ends: 201 [2021-11-25 18:09:48,560 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 18:09:48,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 18:09:48,561 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:48,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:09:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 18:09:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 18:09:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:09:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 18:09:48,577 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 18:09:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:48,579 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 18:09:48,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:09:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 18:09:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:09:48,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:48,582 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:48,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:48,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-25 18:09:48,802 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:48,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-25 18:09:48,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:48,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55958891] [2021-11-25 18:09:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:48,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:48,866 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:48,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010864987] [2021-11-25 18:09:48,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:48,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:48,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:48,868 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:48,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:09:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:49,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:09:49,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:09:49,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:09:49,581 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:49,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55958891] [2021-11-25 18:09:49,582 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:49,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010864987] [2021-11-25 18:09:49,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010864987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:49,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:49,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:09:49,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630780581] [2021-11-25 18:09:49,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:49,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:09:49,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:49,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:09:49,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:09:49,585 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:09:50,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:50,392 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 18:09:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:09:50,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 18:09:50,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:50,401 INFO L225 Difference]: With dead ends: 344 [2021-11-25 18:09:50,401 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 18:09:50,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 18:09:50,403 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:50,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:09:50,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 18:09:50,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 18:09:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:09:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 18:09:50,434 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 18:09:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:50,435 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 18:09:50,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:09:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 18:09:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 18:09:50,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:50,436 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:50,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:09:50,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:50,637 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:50,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:50,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-25 18:09:50,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:50,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165043724] [2021-11-25 18:09:50,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:50,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:50,700 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:50,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653865184] [2021-11-25 18:09:50,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:50,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:50,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:50,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:09:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:57,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:09:57,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:09:57,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:09:57,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:57,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165043724] [2021-11-25 18:09:57,371 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:57,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653865184] [2021-11-25 18:09:57,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653865184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:57,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:57,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:09:57,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304792943] [2021-11-25 18:09:57,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:57,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:09:57,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:57,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:09:57,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:09:57,375 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:09:59,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:09:59,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:59,753 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 18:09:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:09:59,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 18:09:59,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:59,761 INFO L225 Difference]: With dead ends: 381 [2021-11-25 18:09:59,762 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 18:09:59,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 18:09:59,763 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:59,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:09:59,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 18:09:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 18:09:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 18:09:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 18:09:59,783 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 18:09:59,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:59,783 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 18:09:59,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:09:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 18:09:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:09:59,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:59,786 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:59,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:10:00,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:00,004 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:10:00,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:10:00,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-25 18:10:00,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:10:00,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829105743] [2021-11-25 18:10:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:00,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:10:00,051 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:10:00,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081090996] [2021-11-25 18:10:00,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:00,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:00,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:10:00,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:10:00,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea6e2ec-faa3-4548-9e76-ad1f326e1160/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:10:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:10:02,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:10:03,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:10:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:10:03,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:10:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:10:03,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:10:03,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829105743] [2021-11-25 18:10:03,373 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:10:03,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081090996] [2021-11-25 18:10:03,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081090996] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:10:03,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [78761767] [2021-11-25 18:10:03,398 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 18:10:03,398 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:10:03,404 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:10:03,409 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:10:03,410 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:10:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,614 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:10:03,614 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 18:10:03,632 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 18:10:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:10:03,654 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 18:10:03,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,668 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 18:10:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,860 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:10:03,861 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 18:10:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,888 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 18:10:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,909 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 18:10:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,947 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 18:10:03,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:10:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,342 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 18:10:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,365 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 18:10:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,411 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 18:10:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,442 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 18:10:04,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,522 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 89 treesize of output 79 [2021-11-25 18:10:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,554 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 18:10:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,578 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 18:10:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,595 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 18:10:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,650 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 18:10:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,680 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 18:10:04,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,748 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 18:10:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,774 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 18:10:04,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:10:04,908 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 18:10:04,913 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 18:10:04,918 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 18:10:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,949 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 18:10:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,958 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 18:10:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:04,967 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 18:10:04,994 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 18:10:04,999 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 18:10:05,007 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 18:10:05,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,073 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 18:10:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:10:05,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:10:05,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:10:05,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,257 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 18:10:05,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:05,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:10:11,987 WARN L227 SmtUtils]: Spent 6.60s 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 18:10:11,988 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:10:11,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:10:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:22,250 WARN L227 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:10:22,251 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:10:22,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:10:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:22,902 INFO L244 Elim1Store]: Index analysis took 434 ms [2021-11-25 18:10:35,338 WARN L227 SmtUtils]: Spent 12.20s 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 18:10:35,339 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:10:35,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 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 18:10:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,211 INFO L244 Elim1Store]: Index analysis took 290 ms [2021-11-25 18:10:36,223 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:10:36,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:10:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,686 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-25 18:10:36,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:10:37,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:37,453 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:10:37,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:10:37,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:37,900 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:37,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:10:38,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:38,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:38,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:38,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:38,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:38,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:38,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:38,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:38,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:38,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:38,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:38,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:38,750 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 18:10:38,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:38,836 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 3084 treesize of output 2866 [2021-11-25 18:10:39,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,524 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-25 18:10:39,525 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 3096 treesize of output 2648 [2021-11-25 18:10:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,007 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-11-25 18:10:40,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3105 treesize of output 2651 [2021-11-25 18:10:40,442 INFO L244 Elim1Store]: Index analysis took 223 ms [2021-11-25 18:10:43,148 INFO L354 Elim1Store]: treesize reduction 468, result has 74.7 percent of original size [2021-11-25 18:10:43,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3105 treesize of output 4035 [2021-11-25 18:10:45,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:45,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,803 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-25 18:10:45,805 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 3096 treesize of output 2648 [2021-11-25 18:10:46,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:46,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:46,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:46,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:46,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:46,322 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-25 18:10:46,590 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-25 18:10:46,591 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 3096 treesize of output 2710 [2021-11-25 18:10:47,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:47,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:47,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:47,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:48,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:48,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:48,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:48,205 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 18:10:48,207 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 3075 treesize of output 2645 [2021-11-25 18:10:48,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:48,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:48,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:48,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:48,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:48,602 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-25 18:10:49,198 INFO L354 Elim1Store]: treesize reduction 793, result has 31.2 percent of original size [2021-11-25 18:10:49,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3084 treesize of output 3008 [2021-11-25 18:10:49,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:50,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:50,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:10:50,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:50,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:50,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:50,868 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 18:10:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:51,345 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:10:51,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 18:10:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:51,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:51,508 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 18:10:51,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:55,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:55,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:55,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:55,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:55,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:56,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:58,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:58,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver