./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh --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 bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- 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-2329fc7 [2022-12-14 07:35:15,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:35:15,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:35:15,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:35:15,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:35:15,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:35:15,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:35:15,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:35:15,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:35:15,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:35:15,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:35:15,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:35:15,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:35:15,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:35:15,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:35:15,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:35:15,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:35:15,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:35:15,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:35:15,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:35:15,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:35:15,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:35:15,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:35:15,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:35:15,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:35:15,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:35:15,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:35:15,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:35:15,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:35:15,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:35:15,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:35:15,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:35:15,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:35:15,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:35:15,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:35:15,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:35:15,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:35:15,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:35:15,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:35:15,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:35:15,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:35:15,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:35:15,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:35:15,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:35:15,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:35:15,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:35:15,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:35:15,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:35:15,593 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:35:15,593 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:35:15,593 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:35:15,593 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:35:15,593 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:35:15,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:35:15,594 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:35:15,594 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:35:15,594 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:35:15,594 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:35:15,594 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:35:15,595 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:35:15,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:35:15,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:35:15,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:35:15,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:35:15,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:35:15,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:35:15,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:35:15,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:35:15,597 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:35:15,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:35:15,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:35:15,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:35:15,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:35:15,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:35:15,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:35:15,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:35:15,598 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:35:15,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:35:15,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:35:15,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:35:15,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:35:15,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:35:15,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:35:15,599 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_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2022-12-14 07:35:15,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:35:15,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:35:15,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:35:15,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:35:15,789 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:35:15,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2022-12-14 07:35:18,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:35:18,660 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:35:18,660 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2022-12-14 07:35:18,671 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/data/22c1191c9/e58ed8df09dc440a83b963163cfc7996/FLAG4e8237f65 [2022-12-14 07:35:18,686 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/data/22c1191c9/e58ed8df09dc440a83b963163cfc7996 [2022-12-14 07:35:18,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:35:18,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:35:18,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:35:18,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:35:18,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:35:18,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:35:18" (1/1) ... [2022-12-14 07:35:18,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c909098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:18, skipping insertion in model container [2022-12-14 07:35:18,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:35:18" (1/1) ... [2022-12-14 07:35:18,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:35:18,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:35:19,050 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_65ae78d7-fb10-4c21-b991-f56d77abd4ef/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2022-12-14 07:35:19,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:35:19,182 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:35:19,213 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_65ae78d7-fb10-4c21-b991-f56d77abd4ef/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2022-12-14 07:35:19,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:35:19,292 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:35:19,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19 WrapperNode [2022-12-14 07:35:19,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:35:19,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:35:19,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:35:19,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:35:19,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,381 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-12-14 07:35:19,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:35:19,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:35:19,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:35:19,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:35:19,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:35:19,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:35:19,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:35:19,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:35:19,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (1/1) ... [2022-12-14 07:35:19,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:35:19,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:35:19,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:35:19,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:35:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:35:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:35:19,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:35:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:35:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:35:19,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:35:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:35:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:35:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:35:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:35:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:35:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:35:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:35:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:35:19,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:35:19,681 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:35:19,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:35:20,866 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:35:21,246 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:35:21,247 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-12-14 07:35:21,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:35:21 BoogieIcfgContainer [2022-12-14 07:35:21,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:35:21,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:35:21,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:35:21,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:35:21,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:35:18" (1/3) ... [2022-12-14 07:35:21,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30558791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:35:21, skipping insertion in model container [2022-12-14 07:35:21,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:19" (2/3) ... [2022-12-14 07:35:21,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30558791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:35:21, skipping insertion in model container [2022-12-14 07:35:21,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:35:21" (3/3) ... [2022-12-14 07:35:21,256 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-3.i [2022-12-14 07:35:21,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:35:21,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:35:21,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:35:21,310 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;@44f3697e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:35:21,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:35:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 07:35:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:35:21,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:35:21,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:35:21,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:35:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:35:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-12-14 07:35:21,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:35:21,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889106210] [2022-12-14 07:35:21,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:35:21,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:35:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:35:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:35:21,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:35:21,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889106210] [2022-12-14 07:35:21,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889106210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:35:21,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:35:21,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:35:21,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898664483] [2022-12-14 07:35:21,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:35:21,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:35:21,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:35:21,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:35:21,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:35:21,557 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-14 07:35:23,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:35:23,574 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-12-14 07:35:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:35:23,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 8 [2022-12-14 07:35:23,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:35:23,589 INFO L225 Difference]: With dead ends: 399 [2022-12-14 07:35:23,589 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 07:35:23,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:35:23,594 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:35:23,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 07:35:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 07:35:23,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 07:35:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 07:35:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 07:35:23,644 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 07:35:23,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:35:23,644 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 07:35:23,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-14 07:35:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 07:35:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 07:35:23,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:35:23,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:35:23,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:35:23,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:35:23,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:35:23,650 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-12-14 07:35:23,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:35:23,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810673768] [2022-12-14 07:35:23,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:35:23,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:35:23,843 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:35:23,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600273567] [2022-12-14 07:35:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:35:23,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:35:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:35:23,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:35:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:35:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:35:24,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:35:24,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:35:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:35:24,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:35:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:35:24,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:35:24,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810673768] [2022-12-14 07:35:24,891 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:35:24,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600273567] [2022-12-14 07:35:24,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600273567] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:35:24,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1473792623] [2022-12-14 07:35:24,906 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 07:35:24,906 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:35:24,909 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:35:24,913 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:35:24,913 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:35:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:35:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,061 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:35:25,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:35:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,084 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 [2022-12-14 07:35:25,112 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:35:25,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:35:25,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,133 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 [2022-12-14 07:35:25,161 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:35:25,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:35:25,489 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 [2022-12-14 07:35:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:35:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:35:25,587 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 [2022-12-14 07:35:25,624 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:35:25,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:35:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,636 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 [2022-12-14 07:35:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:35:25,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,652 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:35:25,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:35:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:25,666 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 [2022-12-14 07:35:25,693 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:35:25,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:35:26,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:35:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:26,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:35:26,088 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 [2022-12-14 07:35:26,102 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 [2022-12-14 07:35:26,125 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:35:40,673 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:35:40,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1473792623] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:35:40,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:35:40,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 07:35:40,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175704471] [2022-12-14 07:35:40,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:35:40,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:35:40,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:35:40,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:35:40,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 07:35:40,678 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-12-14 07:35:43,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:35:45,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:35:47,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:35:52,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:35:54,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:35:56,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:35:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:35:57,320 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 07:35:57,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:35:57,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-12-14 07:35:57,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:35:57,321 INFO L225 Difference]: With dead ends: 265 [2022-12-14 07:35:57,321 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 07:35:57,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 07:35:57,322 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:35:57,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 211 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-12-14 07:35:57,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 07:35:57,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 07:35:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 07:35:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 07:35:57,333 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 07:35:57,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:35:57,334 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 07:35:57,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-12-14 07:35:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 07:35:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 07:35:57,335 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:35:57,335 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:35:57,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:35:57,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:35:57,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:35:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:35:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-12-14 07:35:57,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:35:57,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160945573] [2022-12-14 07:35:57,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:35:57,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:35:57,699 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:35:57,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965640414] [2022-12-14 07:35:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:35:57,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:35:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:35:57,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:35:57,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:35:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:35:58,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:35:58,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:35:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:35:58,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:35:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:35:58,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:35:58,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160945573] [2022-12-14 07:35:58,614 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:35:58,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965640414] [2022-12-14 07:35:58,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965640414] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:35:58,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1901384446] [2022-12-14 07:35:58,619 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 07:35:58,619 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:35:58,619 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:35:58,620 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:35:58,620 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:35:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:35:58,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,688 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:35:58,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:35:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,702 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 [2022-12-14 07:35:58,726 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:35:58,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:35:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,738 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 [2022-12-14 07:35:58,762 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:35:58,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:35:58,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:35:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:35:59,043 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 [2022-12-14 07:35:59,061 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 [2022-12-14 07:35:59,082 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 [2022-12-14 07:35:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:35:59,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:35:59,184 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 [2022-12-14 07:35:59,214 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 [2022-12-14 07:35:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:35:59,270 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 [2022-12-14 07:35:59,322 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:35:59,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:35:59,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 07:35:59,555 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:35:59,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:35:59,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,567 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 [2022-12-14 07:35:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,576 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 [2022-12-14 07:35:59,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:35:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:35:59,592 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:35:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:35:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:59,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:35:59,968 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 [2022-12-14 07:35:59,978 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 [2022-12-14 07:36:00,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:36:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:36:00,107 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 [2022-12-14 07:36:00,120 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 [2022-12-14 07:36:00,163 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 [2022-12-14 07:36:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:36:00,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:36:00,219 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 [2022-12-14 07:36:00,269 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:36:00,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:36:00,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 07:36:00,559 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 07:36:00,638 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:36:23,891 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:36:36,518 WARN L233 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:36:49,024 WARN L233 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:36:51,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1901384446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:36:51,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:36:51,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 07:36:51,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766831385] [2022-12-14 07:36:51,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:36:51,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:36:51,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:36:51,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:36:51,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:36:51,508 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:36:53,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:36:55,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:36:58,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:00,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:02,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:04,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:06,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:08,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:10,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:16,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:37:18,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:37:20,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:22,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:37:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:37:23,543 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 07:37:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:37:23,544 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-12-14 07:37:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:37:23,545 INFO L225 Difference]: With dead ends: 267 [2022-12-14 07:37:23,545 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 07:37:23,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.9s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:37:23,546 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:37:23,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 433 Invalid, 10 Unknown, 0 Unchecked, 32.0s Time] [2022-12-14 07:37:23,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 07:37:23,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 07:37:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 07:37:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 07:37:23,563 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 07:37:23,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:37:23,563 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 07:37:23,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:37:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 07:37:23,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 07:37:23,564 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:37:23,564 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:37:23,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:37:23,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:37:23,766 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:37:23,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:37:23,767 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-12-14 07:37:23,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:37:23,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983514286] [2022-12-14 07:37:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:37:23,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:37:23,901 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:37:23,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111689247] [2022-12-14 07:37:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:37:23,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:37:23,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:37:23,903 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:37:23,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ae78d7-fb10-4c21-b991-f56d77abd4ef/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:37:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:37:24,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:37:24,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:37:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:37:24,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:37:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:37:24,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:37:24,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983514286] [2022-12-14 07:37:24,680 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:37:24,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111689247] [2022-12-14 07:37:24,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111689247] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:37:24,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1887746758] [2022-12-14 07:37:24,684 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 07:37:24,684 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:37:24,685 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:37:24,685 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:37:24,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:37:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:24,739 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 [2022-12-14 07:37:24,766 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:37:24,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:37:24,794 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:37:24,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:37:24,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:24,808 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 [2022-12-14 07:37:24,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:24,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:37:24,817 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:37:24,999 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 [2022-12-14 07:37:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:37:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:37:25,086 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 [2022-12-14 07:37:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:37:25,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:37:25,173 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 [2022-12-14 07:37:25,181 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 [2022-12-14 07:37:25,216 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 [2022-12-14 07:37:25,253 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:37:25,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 07:37:25,297 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:37:25,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:37:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:37:25,351 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 [2022-12-14 07:37:25,440 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 [2022-12-14 07:37:25,442 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 [2022-12-14 07:37:25,445 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 [2022-12-14 07:37:25,480 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 07:37:25,480 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 53 treesize of output 56 [2022-12-14 07:37:25,504 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:37:25,504 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 47 treesize of output 50 [2022-12-14 07:37:25,525 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:37:25,526 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 [2022-12-14 07:37:25,556 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 [2022-12-14 07:37:25,561 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 [2022-12-14 07:37:25,565 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 [2022-12-14 07:37:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:37:25,659 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 [2022-12-14 07:37:25,674 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 [2022-12-14 07:37:25,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:37:25,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:37:25,809 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 [2022-12-14 07:37:25,821 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 [2022-12-14 07:37:26,407 INFO L217 Elim1Store]: Index analysis took 332 ms [2022-12-14 07:37:29,196 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 07:37:29,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 07:37:29,691 INFO L217 Elim1Store]: Index analysis took 388 ms [2022-12-14 07:37:32,073 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:37:32,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 07:37:37,659 WARN L233 SmtUtils]: Spent 5.40s 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) [2022-12-14 07:37:37,660 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:37:37,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 07:38:00,175 WARN L233 SmtUtils]: Spent 22.42s 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) [2022-12-14 07:38:00,175 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:38:00,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 07:38:00,924 INFO L217 Elim1Store]: Index analysis took 529 ms [2022-12-14 07:38:22,278 WARN L233 SmtUtils]: Spent 20.89s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:38:22,278 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-12-14 07:38:22,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-12-14 07:38:22,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:38:23,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:38:23,276 INFO L217 Elim1Store]: Index analysis took 450 ms [2022-12-14 07:38:23,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-12-14 07:38:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:38:23,403 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 40 treesize of output 30 [2022-12-14 07:38:23,456 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:38:23,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:38:23,863 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-12-14 07:38:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:38:23,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:38:23,996 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 71 treesize of output 57 [2022-12-14 07:38:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:38:24,804 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 19 treesize of output 13 [2022-12-14 07:41:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:14,011 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 19 treesize of output 13 [2022-12-14 07:44:57,979 WARN L233 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 4121 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 07:47:18,756 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 30 treesize of output 20 [2022-12-14 07:47:18,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 07:47:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:47:18,883 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 30 treesize of output 20 [2022-12-14 07:49:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:54,936 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 21 treesize of output 15 [2022-12-14 07:49:55,010 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 21 treesize of output 15