./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW --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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:35:37,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:35:37,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:35:37,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:35:37,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:35:37,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:35:37,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:35:37,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:35:37,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:35:37,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:35:37,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:35:37,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:35:37,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:35:37,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:35:37,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:35:37,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:35:37,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:35:37,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:35:37,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:35:37,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:35:37,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:35:37,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:35:37,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:35:37,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:35:37,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:35:37,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:35:37,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:35:37,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:35:37,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:35:37,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:35:37,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:35:37,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:35:37,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:35:37,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:35:37,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:35:37,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:35:37,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:35:37,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:35:37,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:35:37,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:35:37,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:35:37,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:35:37,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:35:37,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:35:37,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:35:37,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:35:37,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:35:37,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:35:37,491 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:35:37,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:35:37,492 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:35:37,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:35:37,492 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:35:37,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:35:37,493 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:35:37,493 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:35:37,494 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:35:37,494 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:35:37,494 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:35:37,494 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:35:37,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:35:37,496 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:35:37,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:35:37,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:35:37,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:35:37,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:35:37,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:35:37,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:35:37,497 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:35:37,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:35:37,498 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:35:37,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:35:37,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:35:37,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:35:37,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:37,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:35:37,500 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:35:37,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:35:37,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:35:37,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:35:37,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:35:37,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:35:37,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:35:37,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2022-11-23 14:35:37,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:35:37,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:35:37,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:35:37,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:35:37,847 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:35:37,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-11-23 14:35:41,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:35:41,597 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:35:41,598 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2022-11-23 14:35:41,617 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/data/4dd0a236f/ac0917e4733448f7a5676f878b8de899/FLAG83a60aea2 [2022-11-23 14:35:41,635 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/data/4dd0a236f/ac0917e4733448f7a5676f878b8de899 [2022-11-23 14:35:41,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:35:41,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:35:41,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:41,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:35:41,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:35:41,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:41" (1/1) ... [2022-11-23 14:35:41,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ebb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:41, skipping insertion in model container [2022-11-23 14:35:41,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:41" (1/1) ... [2022-11-23 14:35:41,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:35:41,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:35:42,171 WARN L237 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_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-11-23 14:35:42,368 WARN L237 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_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-11-23 14:35:42,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:42,396 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:35:42,432 WARN L237 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_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2022-11-23 14:35:42,560 WARN L237 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_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2022-11-23 14:35:42,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:42,617 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:35:42,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42 WrapperNode [2022-11-23 14:35:42,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:42,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:42,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:35:42,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:35:42,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,788 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-23 14:35:42,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:42,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:35:42,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:35:42,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:35:42,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,930 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:35:42,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:35:42,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:35:42,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:35:42,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (1/1) ... [2022-11-23 14:35:42,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:42,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:42,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:35:43,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:35:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:35:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:35:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:35:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:35:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:35:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:35:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:35:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:35:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:35:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:35:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 14:35:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:35:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:35:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:35:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:35:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:35:43,367 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:35:43,385 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:35:45,330 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:35:45,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:35:45,758 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-23 14:35:45,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:45 BoogieIcfgContainer [2022-11-23 14:35:45,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:35:45,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:35:45,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:35:45,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:35:45,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:35:41" (1/3) ... [2022-11-23 14:35:45,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475dec30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:45, skipping insertion in model container [2022-11-23 14:35:45,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:42" (2/3) ... [2022-11-23 14:35:45,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475dec30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:45, skipping insertion in model container [2022-11-23 14:35:45,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:45" (3/3) ... [2022-11-23 14:35:45,774 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2022-11-23 14:35:45,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:35:45,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:35:45,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:35:45,862 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@492c84f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:35:45,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:35:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:35:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:35:45,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:45,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:35:45,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:45,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-23 14:35:45,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:45,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074162559] [2022-11-23 14:35:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:45,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:35:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:35:46,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:35:46,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074162559] [2022-11-23 14:35:46,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074162559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:35:46,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:35:46,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:35:46,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965657869] [2022-11-23 14:35:46,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:35:46,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:35:46,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:35:46,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:35:46,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:35:46,179 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:46,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:35:46,697 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-23 14:35:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:35:46,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:35:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:35:46,712 INFO L225 Difference]: With dead ends: 245 [2022-11-23 14:35:46,712 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 14:35:46,715 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:35:46,719 INFO L413 NwaCegarLoop]: 134 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, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:35:46,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:35:46,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 14:35:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-23 14:35:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:35:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-23 14:35:46,767 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-23 14:35:46,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:35:46,767 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-23 14:35:46,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-23 14:35:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:35:46,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:46,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:35:46,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:35:46,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-23 14:35:46,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:46,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523042643] [2022-11-23 14:35:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:46,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:35:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:35:47,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:35:47,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523042643] [2022-11-23 14:35:47,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523042643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:35:47,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:35:47,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:35:47,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754133753] [2022-11-23 14:35:47,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:35:47,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:35:47,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:35:47,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:35:47,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:35:47,082 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:49,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:35:50,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:35:50,084 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-23 14:35:50,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:35:50,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 14:35:50,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:35:50,095 INFO L225 Difference]: With dead ends: 258 [2022-11-23 14:35:50,096 INFO L226 Difference]: Without dead ends: 189 [2022-11-23 14:35:50,096 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:35:50,097 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:35:50,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 14:35:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-23 14:35:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-23 14:35:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:35:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-23 14:35:50,162 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-23 14:35:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:35:50,163 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-23 14:35:50,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-23 14:35:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 14:35:50,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:50,165 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-11-23 14:35:50,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:35:50,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:50,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:50,166 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-23 14:35:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:50,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166674678] [2022-11-23 14:35:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:50,355 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:35:50,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690641835] [2022-11-23 14:35:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:50,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:50,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:50,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:35:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:35:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:35:51,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:35:51,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:35:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:35:51,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:35:51,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:35:51,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166674678] [2022-11-23 14:35:51,368 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:35:51,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690641835] [2022-11-23 14:35:51,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690641835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:35:51,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:35:51,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:35:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022401570] [2022-11-23 14:35:51,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:35:51,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:35:51,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:35:51,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:35:51,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:35:51,375 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:52,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:35:52,766 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-23 14:35:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:35:52,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-23 14:35:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:35:52,774 INFO L225 Difference]: With dead ends: 304 [2022-11-23 14:35:52,774 INFO L226 Difference]: Without dead ends: 183 [2022-11-23 14:35:52,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:35:52,776 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:35:52,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 14:35:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-23 14:35:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-23 14:35:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:35:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-23 14:35:52,797 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-23 14:35:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:35:52,798 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-23 14:35:52,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-23 14:35:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 14:35:52,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:52,800 INFO L195 NwaCegarLoop]: 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] [2022-11-23 14:35:52,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:35:53,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:53,010 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:53,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:53,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-23 14:35:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:53,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178907832] [2022-11-23 14:35:53,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:53,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:53,102 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:35:53,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556205608] [2022-11-23 14:35:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:53,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:53,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:53,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:35:53,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:35:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:35:53,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:35:53,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:35:53,816 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:35:53,831 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:35:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:35:53,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:35:53,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:35:53,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178907832] [2022-11-23 14:35:53,842 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:35:53,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556205608] [2022-11-23 14:35:53,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556205608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:35:53,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:35:53,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:35:53,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630635964] [2022-11-23 14:35:53,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:35:53,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:35:53,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:35:53,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:35:53,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:35:53,845 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:35:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:35:55,752 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-23 14:35:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:35:55,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-11-23 14:35:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:35:55,759 INFO L225 Difference]: With dead ends: 231 [2022-11-23 14:35:55,760 INFO L226 Difference]: Without dead ends: 212 [2022-11-23 14:35:55,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:35:55,761 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:35:55,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 14:35:55,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-23 14:35:55,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-23 14:35:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:35:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-23 14:35:55,780 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-23 14:35:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:35:55,780 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-23 14:35:55,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:35:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-23 14:35:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 14:35:55,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:55,783 INFO L195 NwaCegarLoop]: 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] [2022-11-23 14:35:55,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:35:55,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:55,992 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:55,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-23 14:35:55,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:55,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931539991] [2022-11-23 14:35:55,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:55,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:56,065 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:35:56,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24610530] [2022-11-23 14:35:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:56,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:56,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:35:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:35:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:35:56,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:35:56,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:35:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:35:56,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:35:56,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:35:56,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931539991] [2022-11-23 14:35:56,901 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:35:56,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24610530] [2022-11-23 14:35:56,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24610530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:35:56,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:35:56,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:35:56,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9188657] [2022-11-23 14:35:56,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:35:56,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:35:56,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:35:56,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:35:56,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:35:56,904 INFO L87 Difference]: Start difference. First operand 169 states and 203 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) [2022-11-23 14:35:58,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:35:58,052 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-23 14:35:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:35:58,053 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 [2022-11-23 14:35:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:35:58,055 INFO L225 Difference]: With dead ends: 395 [2022-11-23 14:35:58,055 INFO L226 Difference]: Without dead ends: 242 [2022-11-23 14:35:58,057 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:35:58,058 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:35:58,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 14:35:58,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-23 14:35:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-23 14:35:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:35:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-23 14:35:58,096 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-23 14:35:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:35:58,096 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-23 14:35:58,097 INFO L496 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) [2022-11-23 14:35:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-23 14:35:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 14:35:58,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:58,106 INFO L195 NwaCegarLoop]: 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] [2022-11-23 14:35:58,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:35:58,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:58,312 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:58,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-23 14:35:58,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:58,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505883911] [2022-11-23 14:35:58,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:58,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:58,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:35:58,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532133210] [2022-11-23 14:35:58,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:58,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:35:58,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:58,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:35:58,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:36:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:36:13,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:36:13,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:36:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:36:13,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:36:13,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:36:13,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505883911] [2022-11-23 14:36:13,253 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:36:13,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532133210] [2022-11-23 14:36:13,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532133210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:36:13,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:36:13,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:36:13,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036946429] [2022-11-23 14:36:13,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:36:13,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:36:13,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:36:13,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:36:13,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:36:13,256 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:36:14,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:36:14,463 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-23 14:36:14,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:36:14,468 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-23 14:36:14,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:36:14,469 INFO L225 Difference]: With dead ends: 411 [2022-11-23 14:36:14,470 INFO L226 Difference]: Without dead ends: 216 [2022-11-23 14:36:14,470 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:36:14,472 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:36:14,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 14:36:14,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-23 14:36:14,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-23 14:36:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-23 14:36:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-23 14:36:14,494 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-23 14:36:14,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:36:14,494 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-23 14:36:14,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:36:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-23 14:36:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:36:14,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:36:14,498 INFO L195 NwaCegarLoop]: 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] [2022-11-23 14:36:14,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:36:14,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:36:14,723 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:36:14,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:36:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-23 14:36:14,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:36:14,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958790446] [2022-11-23 14:36:14,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:36:14,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:36:14,838 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:36:14,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449118006] [2022-11-23 14:36:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:36:14,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:36:14,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:36:14,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:36:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbfe287-6ca3-428a-8d4f-5a13dcdaf799/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:37:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:01,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:37:01,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:37:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:37:01,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:37:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:37:01,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:01,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958790446] [2022-11-23 14:37:01,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:37:01,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449118006] [2022-11-23 14:37:01,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449118006] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:37:01,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [5839655] [2022-11-23 14:37:01,759 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 14:37:01,759 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:37:01,764 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:37:01,770 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:37:01,771 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:37:01,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 14:37:01,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 14:37:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:01,973 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:37:01,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-23 14:37:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:01,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:37:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,029 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 14:37:02,029 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:02,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,117 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:37:02,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-23 14:37:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,195 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:37:02,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 14:37:02,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:37:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,301 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:37:02,302 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,337 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:02,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-23 14:37:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:02,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-23 14:37:03,019 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,041 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,088 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,101 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 14:37:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 14:37:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 14:37:03,473 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,568 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:37:03,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 14:37:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:03,685 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:37:03,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 14:37:03,730 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:37:03,952 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:03,958 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:04,026 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:37:04,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-23 14:37:04,065 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 14:37:04,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-23 14:37:04,106 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:37:04,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-23 14:37:04,163 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:04,170 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:04,178 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:37:04,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:37:04,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:37:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 14:37:04,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:37:04,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:37:04,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 14:37:04,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:37:05,907 INFO L217 Elim1Store]: Index analysis took 762 ms [2022-11-23 14:37:12,111 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:37:12,112 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 14:37:12,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-23 14:37:13,567 INFO L217 Elim1Store]: Index analysis took 1213 ms [2022-11-23 14:37:14,432 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 14:37:14,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-23 14:37:25,938 WARN L233 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:37:25,938 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:37:25,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-23 14:37:26,426 INFO L217 Elim1Store]: Index analysis took 221 ms [2022-11-23 14:37:58,353 WARN L233 SmtUtils]: Spent 31.92s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:37:58,353 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:37:58,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-23 14:38:00,669 INFO L217 Elim1Store]: Index analysis took 1624 ms [2022-11-23 14:38:36,673 WARN L233 SmtUtils]: Spent 34.73s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:38:36,674 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-23 14:38:36,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-11-23 14:38:38,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:38:38,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-23 14:38:38,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:38,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:38:38,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 14:38:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:40,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 14:38:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:38:40,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2022-11-23 14:38:41,495 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-23 14:38:45,140 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-23 14:38:45,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-11-23 14:38:54,984 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:38:55,909 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:38:55,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-11-23 14:38:57,017 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:39:06,914 WARN L233 SmtUtils]: Spent 7.54s on a formula simplification. DAG size of input: 45 DAG size of output: 37 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:39:06,915 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-23 14:39:06,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-11-23 14:39:08,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 43142 treesize of output 43102 [2022-11-23 14:39:10,448 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-23 14:39:10,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-11-23 14:39:11,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-11-23 14:39:14,888 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-23 14:39:14,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-11-23 14:39:51,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:51,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:51,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:51,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:53,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,324 INFO L217 Elim1Store]: Index analysis took 8198 ms [2022-11-23 14:39:55,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:39:55,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-11-23 14:39:55,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-11-23 14:39:57,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:02,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,865 INFO L217 Elim1Store]: Index analysis took 8551 ms [2022-11-23 14:40:04,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:04,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-23 14:40:06,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:06,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:09,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,816 INFO L217 Elim1Store]: Index analysis took 5598 ms [2022-11-23 14:40:10,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:10,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-11-23 14:40:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:11,285 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-23 14:40:11,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 24 [2022-11-23 14:40:12,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:12,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:14,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:15,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,757 INFO L217 Elim1Store]: Index analysis took 4003 ms [2022-11-23 14:40:15,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:15,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-11-23 14:40:16,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:16,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:16,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 44 treesize of output 26 [2022-11-23 14:40:16,470 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:40:18,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,678 INFO L217 Elim1Store]: Index analysis took 2138 ms [2022-11-23 14:40:18,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:18,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-11-23 14:40:25,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:30,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,409 INFO L217 Elim1Store]: Index analysis took 8581 ms [2022-11-23 14:40:32,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:32,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-11-23 14:40:32,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:32,952 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-23 14:40:32,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 380 treesize of output 194 [2022-11-23 14:40:33,121 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:40:39,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:39,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:39,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:40,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,265 INFO L217 Elim1Store]: Index analysis took 7918 ms [2022-11-23 14:40:41,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:41,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-11-23 14:40:41,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:40:43,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:47,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:47,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,728 INFO L217 Elim1Store]: Index analysis took 6767 ms [2022-11-23 14:40:48,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:48,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-23 14:40:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:40:49,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 100 treesize of output 54 [2022-11-23 14:40:50,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,970 INFO L217 Elim1Store]: Index analysis took 1561 ms [2022-11-23 14:40:50,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:40:50,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-11-23 14:41:06,838 INFO L217 Elim1Store]: Index analysis took 10707 ms [2022-11-23 14:41:08,474 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-23 14:41:08,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-11-23 14:41:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:09,010 INFO L217 Elim1Store]: Index analysis took 320 ms [2022-11-23 14:41:09,555 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:41:09,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-11-23 14:41:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:09,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 24 [2022-11-23 14:41:16,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:18,720 INFO L217 Elim1Store]: Index analysis took 8517 ms [2022-11-23 14:41:19,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 316 treesize of output 2350 [2022-11-23 14:41:20,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:21,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:22,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:29,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,668 INFO L217 Elim1Store]: Index analysis took 10373 ms [2022-11-23 14:41:30,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:30,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-11-23 14:41:31,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:31,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:31,123 INFO L217 Elim1Store]: Index analysis took 228 ms [2022-11-23 14:41:31,610 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:41:31,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-11-23 14:41:32,089 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:41:32,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:35,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:38,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:46,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,553 INFO L217 Elim1Store]: Index analysis took 15678 ms [2022-11-23 14:41:48,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:48,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-11-23 14:41:49,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:49,583 INFO L217 Elim1Store]: Index analysis took 432 ms [2022-11-23 14:41:50,624 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:41:50,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-11-23 14:41:51,052 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:41:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:53,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:55,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:41:55,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,252 INFO L217 Elim1Store]: Index analysis took 4887 ms [2022-11-23 14:41:56,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:41:56,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-11-23 14:41:56,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 41 treesize of output 21 [2022-11-23 14:41:56,947 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:43:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:43:29,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:43:30,236 INFO L217 Elim1Store]: Index analysis took 3023 ms [2022-11-23 14:43:30,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-11-23 14:43:32,019 INFO L217 Elim1Store]: Index analysis took 529 ms [2022-11-23 14:45:18,946 WARN L233 SmtUtils]: Spent 1.78m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:45:18,949 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-23 14:45:18,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048