./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/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_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/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_a03abb9e-6524-4707-b454-e7364a989a2b/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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:07:16,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:07:16,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:07:16,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:07:16,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:07:16,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:07:16,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:07:16,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:07:16,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:07:16,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:07:16,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:07:16,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:07:16,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:07:16,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:07:16,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:07:16,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:07:16,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:07:16,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:07:16,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:07:16,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:07:16,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:07:16,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:07:16,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:07:16,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:07:16,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:07:16,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:07:16,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:07:16,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:07:16,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:07:16,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:07:16,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:07:16,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:07:16,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:07:16,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:07:16,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:07:16,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:07:16,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:07:16,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:07:16,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:07:16,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:07:16,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:07:16,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:07:16,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:07:16,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:07:16,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:07:16,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:07:16,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:07:16,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:07:16,468 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:07:16,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:07:16,469 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:07:16,469 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:07:16,469 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:07:16,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:07:16,470 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:07:16,470 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:07:16,470 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:07:16,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:07:16,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:07:16,471 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:07:16,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:07:16,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:07:16,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:07:16,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:07:16,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:07:16,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:07:16,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:07:16,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:07:16,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:07:16,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:07:16,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:07:16,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:07:16,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:07:16,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:07:16,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:07:16,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:07:16,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:07:16,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:07:16,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:07:16,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:07:16,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:07:16,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:07:16,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:07:16,478 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_a03abb9e-6524-4707-b454-e7364a989a2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2021-11-25 19:07:16,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:07:16,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:07:16,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:07:16,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:07:16,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:07:16,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-25 19:07:16,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/data/61624aa49/efbec402ce904f0e8149d8fe0f211954/FLAG48d929eb1 [2021-11-25 19:07:17,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:07:17,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-25 19:07:17,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/data/61624aa49/efbec402ce904f0e8149d8fe0f211954/FLAG48d929eb1 [2021-11-25 19:07:17,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/data/61624aa49/efbec402ce904f0e8149d8fe0f211954 [2021-11-25 19:07:17,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:07:17,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:07:17,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:07:17,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:07:17,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:07:17,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:07:17" (1/1) ... [2021-11-25 19:07:17,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac41cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:17, skipping insertion in model container [2021-11-25 19:07:17,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:07:17" (1/1) ... [2021-11-25 19:07:17,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:07:17,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:07:18,277 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_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-25 19:07:18,456 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_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-25 19:07:18,457 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_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-25 19:07:18,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:07:18,484 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:07:18,525 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_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-25 19:07:18,572 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_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-25 19:07:18,573 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_a03abb9e-6524-4707-b454-e7364a989a2b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-25 19:07:18,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:07:18,622 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:07:18,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18 WrapperNode [2021-11-25 19:07:18,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:07:18,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:07:18,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:07:18,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:07:18,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,751 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 19:07:18,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:07:18,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:07:18,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:07:18,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:07:18,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:07:18,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:07:18,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:07:18,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:07:18,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (1/1) ... [2021-11-25 19:07:18,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:07:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:18,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:07:18,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:07:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:07:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:07:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:07:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:07:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:07:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:07:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:07:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:07:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:07:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:07:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:07:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:07:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:07:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:07:19,130 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:07:19,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:07:20,033 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:07:20,389 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:07:20,390 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:07:20,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:07:20 BoogieIcfgContainer [2021-11-25 19:07:20,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:07:20,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:07:20,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:07:20,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:07:20,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:07:17" (1/3) ... [2021-11-25 19:07:20,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2cd3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:07:20, skipping insertion in model container [2021-11-25 19:07:20,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:07:18" (2/3) ... [2021-11-25 19:07:20,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2cd3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:07:20, skipping insertion in model container [2021-11-25 19:07:20,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:07:20" (3/3) ... [2021-11-25 19:07:20,408 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-1.i [2021-11-25 19:07:20,420 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:07:20,420 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:07:20,467 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:07:20,474 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:07:20,475 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:07:20,494 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 19:07:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 19:07:20,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:20,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:20,500 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-25 19:07:20,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:20,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247652308] [2021-11-25 19:07:20,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:20,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:20,691 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:20,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247652308] [2021-11-25 19:07:20,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247652308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:20,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:20,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:07:20,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027441759] [2021-11-25 19:07:20,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:20,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:07:20,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:20,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:07:20,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:07:20,739 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 19:07:21,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:21,214 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-25 19:07:21,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:07:21,225 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 19:07:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:21,234 INFO L225 Difference]: With dead ends: 215 [2021-11-25 19:07:21,235 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 19:07:21,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:07:21,242 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 19:07:21,243 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 19:07:21,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 19:07:21,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 19:07:21,284 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 19:07:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 19:07:21,287 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 19:07:21,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:21,288 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 19:07:21,288 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 19:07:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 19:07:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:07:21,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:21,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:21,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:07:21,290 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:21,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:21,291 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-25 19:07:21,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:21,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044447580] [2021-11-25 19:07:21,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:21,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:21,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:21,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044447580] [2021-11-25 19:07:21,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044447580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:21,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:21,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:21,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939925216] [2021-11-25 19:07:21,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:21,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:07:21,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:21,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:07:21,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:07:21,368 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 19:07:23,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:23,330 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 19:07:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:07:23,336 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 19:07:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:23,339 INFO L225 Difference]: With dead ends: 219 [2021-11-25 19:07:23,339 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 19:07:23,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:07:23,341 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:23,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:07:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 19:07:23,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 19:07:23,354 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 19:07:23,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 19:07:23,356 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 19:07:23,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:23,356 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 19:07:23,356 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 19:07:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 19:07:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 19:07:23,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:23,358 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 19:07:23,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:07:23,358 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:23,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-25 19:07:23,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:23,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658380420] [2021-11-25 19:07:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:23,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:23,533 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:07:23,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631674681] [2021-11-25 19:07:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:23,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:23,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:23,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:07:23,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:07:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:24,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:07:24,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:07:24,409 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 19:07:24,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:07:24,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:24,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658380420] [2021-11-25 19:07:24,410 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:07:24,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631674681] [2021-11-25 19:07:24,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631674681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:24,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:24,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:07:24,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266001776] [2021-11-25 19:07:24,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:24,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:24,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:24,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:24,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:24,419 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 19:07:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:25,390 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 19:07:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:25,394 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 19:07:25,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:25,396 INFO L225 Difference]: With dead ends: 265 [2021-11-25 19:07:25,396 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 19:07:25,397 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 19:07:25,398 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 19:07:25,399 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 19:07:25,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 19:07:25,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 19:07:25,411 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 19:07:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 19:07:25,413 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 19:07:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:25,413 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 19:07:25,434 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 19:07:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 19:07:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 19:07:25,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:25,436 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] [2021-11-25 19:07:25,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:07:25,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:25,662 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-25 19:07:25,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:25,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092945215] [2021-11-25 19:07:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:25,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:25,721 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:07:25,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606420607] [2021-11-25 19:07:25,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:25,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:25,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:25,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:07:25,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:07:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:26,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:07:26,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:07:26,317 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 19:07:26,344 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 19:07:26,358 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 19:07:26,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:07:26,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:26,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092945215] [2021-11-25 19:07:26,359 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:07:26,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606420607] [2021-11-25 19:07:26,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606420607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:26,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:26,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:07:26,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868311939] [2021-11-25 19:07:26,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:26,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:07:26,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:07:26,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:07:26,363 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 19:07:28,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:28,724 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 19:07:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:07:28,734 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 19:07:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:28,735 INFO L225 Difference]: With dead ends: 201 [2021-11-25 19:07:28,735 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 19:07:28,736 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 19:07:28,737 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:28,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:07:28,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 19:07:28,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 19:07:28,751 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 19:07:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 19:07:28,753 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 19:07:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:28,755 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 19:07:28,755 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 19:07:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 19:07:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:07:28,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:28,758 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 19:07:28,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:07:28,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:28,985 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:28,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-25 19:07:28,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:28,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765231695] [2021-11-25 19:07:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:28,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:29,041 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:07:29,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335062512] [2021-11-25 19:07:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:29,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:29,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:29,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:07:29,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:07:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:29,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:07:29,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:07:29,668 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 19:07:29,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:07:29,669 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:29,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765231695] [2021-11-25 19:07:29,669 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:07:29,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335062512] [2021-11-25 19:07:29,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335062512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:29,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:29,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:07:29,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627327776] [2021-11-25 19:07:29,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:29,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:07:29,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:29,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:07:29,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:07:29,673 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 19:07:30,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:30,620 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 19:07:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:07:30,628 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 19:07:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:30,630 INFO L225 Difference]: With dead ends: 344 [2021-11-25 19:07:30,630 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 19:07:30,631 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 19:07:30,632 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:30,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:07:30,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 19:07:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 19:07:30,650 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 19:07:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 19:07:30,651 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 19:07:30,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:30,652 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 19:07:30,652 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 19:07:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 19:07:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:07:30,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:30,656 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 19:07:30,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:07:30,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:30,882 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:30,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-25 19:07:30,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:30,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102202156] [2021-11-25 19:07:30,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:30,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:30,948 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:07:30,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652273065] [2021-11-25 19:07:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:30,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:30,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:07:30,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:07:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:37,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:07:37,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:07:37,371 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 19:07:37,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:07:37,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:37,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102202156] [2021-11-25 19:07:37,371 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:07:37,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652273065] [2021-11-25 19:07:37,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652273065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:37,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:37,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:07:37,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277175215] [2021-11-25 19:07:37,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:37,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:07:37,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:37,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:07:37,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:07:37,373 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 19:07:39,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:39,667 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 19:07:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:07:39,672 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 19:07:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:39,675 INFO L225 Difference]: With dead ends: 381 [2021-11-25 19:07:39,675 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 19:07:39,675 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 19:07:39,676 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:39,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:07:39,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 19:07:39,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 19:07:39,690 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 19:07:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 19:07:39,692 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 19:07:39,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:39,692 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 19:07:39,693 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 19:07:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 19:07:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:07:39,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:39,695 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 19:07:39,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:07:39,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:39,921 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:39,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:39,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-25 19:07:39,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:39,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611661491] [2021-11-25 19:07:39,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:39,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:39,997 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:07:40,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967594167] [2021-11-25 19:07:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:40,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:07:40,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:07:40,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:07:40,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03abb9e-6524-4707-b454-e7364a989a2b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 19:07:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:42,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:07:42,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:07:42,933 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 19:07:42,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:07:43,155 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 19:07:43,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:43,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611661491] [2021-11-25 19:07:43,155 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:07:43,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967594167] [2021-11-25 19:07:43,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967594167] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:07:43,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [100240406] [2021-11-25 19:07:43,190 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:07:43,191 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:07:43,196 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:07:43,201 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:07:43,202 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:07:43,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,393 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:07:43,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 19:07:43,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:07:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,421 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 19:07:43,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:07:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:07:43,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,517 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:07:43,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 19:07:43,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:07:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-25 19:07:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:07:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:43,606 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 19:07:44,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:07:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:07:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 19:07:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 19:07:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,195 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 19:07:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:07:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:07:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:07:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:07:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:07:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:07:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 19:07:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,440 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 19:07:44,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:07:44,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:07:44,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:07:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:07:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:07:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:07:44,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:07:44,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:07:44,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:07:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:07:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,761 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 19:07:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,787 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 19:07:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,911 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 19:07:44,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:07:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:07:44,964 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 19:07:52,073 WARN L227 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:07:52,073 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:07:52,074 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 19:07:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:02,448 WARN L227 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:08:02,449 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:08:02,450 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 19:08:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:03,142 INFO L244 Elim1Store]: Index analysis took 456 ms [2021-11-25 19:08:15,041 WARN L227 SmtUtils]: Spent 11.63s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:08:15,042 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:08:15,042 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 19:08:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:15,808 INFO L244 Elim1Store]: Index analysis took 267 ms [2021-11-25 19:08:15,822 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:08:15,822 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 19:08:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,277 INFO L244 Elim1Store]: Index analysis took 241 ms [2021-11-25 19:08:16,279 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 19:08:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:16,928 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:08:16,928 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 19:08:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:17,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:08:17,333 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 19:08:17,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:17,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:17,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:17,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:17,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:17,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,197 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-11-25 19:08:18,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:08:18,285 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 19:08:18,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:18,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:18,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:18,991 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 19:08:18,993 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 19:08:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:19,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:19,422 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-25 19:08:19,424 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 19:08:19,836 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-25 19:08:22,216 INFO L354 Elim1Store]: treesize reduction 468, result has 74.7 percent of original size [2021-11-25 19:08:22,216 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 19:08:24,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:24,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,601 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 19:08:24,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:24,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:24,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:24,961 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-25 19:08:25,218 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-25 19:08:25,218 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 19:08:26,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:26,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:26,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:26,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:26,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:26,565 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 19:08:26,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:26,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:08:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:27,369 INFO L354 Elim1Store]: treesize reduction 793, result has 31.2 percent of original size [2021-11-25 19:08:27,370 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 19:08:27,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:28,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:28,708 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 19:08:28,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:28,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:28,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:28,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 19:08:29,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:29,162 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:08:29,162 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 19:08:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:29,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:29,329 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 19:08:29,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:32,998 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:33,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:33,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:33,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:33,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:33,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:08:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:08:35,363 INFO L190 IndexEqualityManager]: detected not equals via solver