./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- 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 07:21:02,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:21:02,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:21:02,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:21:02,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:21:02,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:21:02,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:21:02,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:21:02,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:21:02,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:21:02,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:21:02,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:21:02,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:21:02,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:21:02,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:21:02,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:21:02,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:21:02,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:21:02,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:21:02,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:21:02,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:21:02,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:21:02,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:21:02,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:21:02,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:21:02,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:21:02,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:21:02,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:21:02,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:21:02,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:21:02,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:21:02,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:21:02,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:21:02,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:21:02,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:21:02,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:21:02,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:21:02,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:21:02,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:21:02,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:21:02,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:21:02,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:21:02,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:21:02,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:21:02,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:21:02,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:21:02,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:21:02,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:21:02,462 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:21:02,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:21:02,462 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:21:02,462 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:21:02,462 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:21:02,462 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:21:02,462 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:21:02,463 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:21:02,463 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:21:02,463 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:21:02,463 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:21:02,463 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:21:02,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:21:02,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:21:02,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:21:02,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:21:02,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:21:02,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:21:02,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:21:02,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:21:02,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:21:02,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:21:02,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:21:02,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:21:02,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:21:02,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:21:02,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:02,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:21:02,466 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:21:02,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:21:02,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:21:02,467 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:21:02,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:21:02,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:21:02,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:21:02,467 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2022-12-14 07:21:02,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:21:02,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:21:02,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:21:02,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:21:02,681 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:21:02,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2022-12-14 07:21:05,340 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:21:05,564 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:21:05,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2022-12-14 07:21:05,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/data/3cc3ee7ae/98abbfbc6f0e41799d4a2ec373125740/FLAG5b721126b [2022-12-14 07:21:05,584 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/data/3cc3ee7ae/98abbfbc6f0e41799d4a2ec373125740 [2022-12-14 07:21:05,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:21:05,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:21:05,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:05,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:21:05,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:21:05,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:05" (1/1) ... [2022-12-14 07:21:05,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1262d205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:05, skipping insertion in model container [2022-12-14 07:21:05,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:05" (1/1) ... [2022-12-14 07:21:05,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:21:05,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:21:05,915 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2022-12-14 07:21:05,969 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:21:05,975 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2022-12-14 07:21:05,976 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2022-12-14 07:21:05,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:05,987 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:21:06,013 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2022-12-14 07:21:06,058 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:21:06,064 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2022-12-14 07:21:06,065 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_7fd4e722-8a9a-4ce3-a431-96c720910c0c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2022-12-14 07:21:06,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:06,101 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:21:06,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06 WrapperNode [2022-12-14 07:21:06,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:06,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:06,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:21:06,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:21:06,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,177 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-12-14 07:21:06,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:06,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:21:06,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:21:06,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:21:06,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:21:06,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:21:06,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:21:06,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:21:06,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (1/1) ... [2022-12-14 07:21:06,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:06,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:06,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:21:06,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:21:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:21:06,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:21:06,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:21:06,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:21:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:21:06,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:21:06,500 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:21:06,502 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:21:07,521 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:21:07,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:21:07,800 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 07:21:07,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:07 BoogieIcfgContainer [2022-12-14 07:21:07,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:21:07,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:21:07,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:21:07,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:21:07,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:21:05" (1/3) ... [2022-12-14 07:21:07,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8377b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:21:07, skipping insertion in model container [2022-12-14 07:21:07,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:06" (2/3) ... [2022-12-14 07:21:07,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8377b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:21:07, skipping insertion in model container [2022-12-14 07:21:07,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:07" (3/3) ... [2022-12-14 07:21:07,808 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-1.i [2022-12-14 07:21:07,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:21:07,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:21:07,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:21:07,861 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;@609d8f2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:21:07,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:21:07,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 07:21:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 07:21:07,871 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:07,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:07,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:07,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:07,876 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-12-14 07:21:07,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:07,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628262871] [2022-12-14 07:21:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:07,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:08,020 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 07:21:08,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:08,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628262871] [2022-12-14 07:21:08,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628262871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:08,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:08,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:21:08,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859435219] [2022-12-14 07:21:08,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:08,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:21:08,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:08,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:21:08,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:21:08,056 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:08,463 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-12-14 07:21:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:21:08,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 07:21:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:08,474 INFO L225 Difference]: With dead ends: 215 [2022-12-14 07:21:08,474 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 07:21:08,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:21:08,478 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:08,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:21:08,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 07:21:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 07:21:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 07:21:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-12-14 07:21:08,506 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-12-14 07:21:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:08,507 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-12-14 07:21:08,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-12-14 07:21:08,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:21:08,507 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:08,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:08,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:21:08,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:08,508 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-12-14 07:21:08,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:08,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844274518] [2022-12-14 07:21:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:08,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:08,614 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 07:21:08,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:08,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844274518] [2022-12-14 07:21:08,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844274518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:08,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:08,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:21:08,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089969761] [2022-12-14 07:21:08,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:08,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:21:08,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:08,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:21:08,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:21:08,617 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:10,610 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-12-14 07:21:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:21:10,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 07:21:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:10,615 INFO L225 Difference]: With dead ends: 219 [2022-12-14 07:21:10,615 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 07:21:10,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:21:10,616 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:10,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 07:21:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 07:21:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-12-14 07:21:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 07:21:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-12-14 07:21:10,623 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-12-14 07:21:10,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:10,623 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-12-14 07:21:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-12-14 07:21:10,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 07:21:10,624 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:10,624 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:10,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:21:10,624 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:10,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:10,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-12-14 07:21:10,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:10,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432824251] [2022-12-14 07:21:10,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:10,734 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:10,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382602773] [2022-12-14 07:21:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:10,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:10,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:10,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:21:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:11,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:21:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:21:11,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:21:11,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:11,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432824251] [2022-12-14 07:21:11,283 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:11,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382602773] [2022-12-14 07:21:11,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382602773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:11,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:11,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:21:11,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482109077] [2022-12-14 07:21:11,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:11,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:21:11,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:21:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:21:11,285 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:12,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:12,609 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-12-14 07:21:12,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:21:12,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 07:21:12,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:12,615 INFO L225 Difference]: With dead ends: 265 [2022-12-14 07:21:12,615 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 07:21:12,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:21:12,616 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:12,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 07:21:12,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 07:21:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-12-14 07:21:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 07:21:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-12-14 07:21:12,624 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-12-14 07:21:12,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:12,624 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-12-14 07:21:12,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:21:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-12-14 07:21:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 07:21:12,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:12,625 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:12,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:21:12,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:12,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:12,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:12,827 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-12-14 07:21:12,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:12,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844855948] [2022-12-14 07:21:12,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:12,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:12,870 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:12,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784286755] [2022-12-14 07:21:12,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:12,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:12,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:12,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:12,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:21:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:13,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:21:13,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:13,223 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 07:21:13,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 07:21:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:21:13,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:21:13,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:13,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844855948] [2022-12-14 07:21:13,242 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:13,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784286755] [2022-12-14 07:21:13,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784286755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:13,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:13,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:21:13,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485281554] [2022-12-14 07:21:13,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:13,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:21:13,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:13,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:21:13,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:21:13,245 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:21:15,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:21:15,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:15,093 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-12-14 07:21:15,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:21:15,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-12-14 07:21:15,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:15,099 INFO L225 Difference]: With dead ends: 201 [2022-12-14 07:21:15,100 INFO L226 Difference]: Without dead ends: 197 [2022-12-14 07:21:15,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:21:15,100 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:15,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 07:21:15,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-12-14 07:21:15,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-12-14 07:21:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 07:21:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-12-14 07:21:15,109 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-12-14 07:21:15,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:15,109 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-12-14 07:21:15,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:21:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-12-14 07:21:15,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 07:21:15,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:15,111 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:15,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:21:15,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:15,313 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:15,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:15,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-12-14 07:21:15,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:15,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75589106] [2022-12-14 07:21:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:15,426 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:15,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520342949] [2022-12-14 07:21:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:15,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:15,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:15,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:15,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:21:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:15,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:21:15,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:21:15,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:21:15,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:15,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75589106] [2022-12-14 07:21:15,825 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:15,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520342949] [2022-12-14 07:21:15,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520342949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:15,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:15,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:21:15,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341415369] [2022-12-14 07:21:15,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:15,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:21:15,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:15,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:21:15,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:21:15,827 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:21:16,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:16,319 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-12-14 07:21:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:21:16,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 07:21:16,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:16,323 INFO L225 Difference]: With dead ends: 344 [2022-12-14 07:21:16,324 INFO L226 Difference]: Without dead ends: 206 [2022-12-14 07:21:16,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:21:16,325 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:16,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 07:21:16,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-12-14 07:21:16,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-12-14 07:21:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 07:21:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-12-14 07:21:16,334 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-12-14 07:21:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:16,334 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-12-14 07:21:16,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:21:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-12-14 07:21:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 07:21:16,335 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:16,335 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:16,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 07:21:16,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:16,537 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:16,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:16,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-12-14 07:21:16,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:16,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144046081] [2022-12-14 07:21:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:16,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:16,647 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:16,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859100685] [2022-12-14 07:21:16,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:16,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:16,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:16,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:21:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:28,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:21:28,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:21:28,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:21:28,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:28,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144046081] [2022-12-14 07:21:28,107 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:28,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859100685] [2022-12-14 07:21:28,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859100685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:28,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:28,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:21:28,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470445812] [2022-12-14 07:21:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:28,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:21:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:21:28,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:21:28,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:21:28,109 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:21:29,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:29,365 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-12-14 07:21:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:21:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 07:21:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:29,372 INFO L225 Difference]: With dead ends: 381 [2022-12-14 07:21:29,372 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 07:21:29,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:21:29,373 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:29,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 07:21:29,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 07:21:29,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-12-14 07:21:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 07:21:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-12-14 07:21:29,387 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-12-14 07:21:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:29,388 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-12-14 07:21:29,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 07:21:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-12-14 07:21:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 07:21:29,390 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:29,390 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:29,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:21:29,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 07:21:29,591 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:21:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:29,592 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-12-14 07:21:29,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:21:29,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530515134] [2022-12-14 07:21:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:29,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:21:29,660 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:21:29,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080537169] [2022-12-14 07:21:29,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:21:29,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:29,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:21:29,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd4e722-8a9a-4ce3-a431-96c720910c0c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:21:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:46,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 07:21:46,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:21:46,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:21:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:21:46,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:21:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530515134] [2022-12-14 07:21:46,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:21:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080537169] [2022-12-14 07:21:46,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080537169] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:21:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [553534060] [2022-12-14 07:21:46,697 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 07:21:46,697 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:21:46,700 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:21:46,705 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:21:46,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:21:46,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:21:46,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:21:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,828 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 07:21:46,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 07:21:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,845 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:21:46,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 07:21:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,854 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:21:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,887 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 07:21:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,912 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:21:46,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-12-14 07:21:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,931 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 07:21:46,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,962 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:21:46,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 07:21:46,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:46,998 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:21:46,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 07:21:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 07:21:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-12-14 07:21:47,453 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 07:21:47,470 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 07:21:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 07:21:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 07:21:47,628 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 07:21:47,643 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 07:21:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 07:21:47,722 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 07:21:47,742 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 07:21:47,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,797 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:21:47,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 07:21:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:47,858 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:21:47,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 07:21:47,992 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 07:21:47,996 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 07:21:48,001 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 07:21:48,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 07:21:48,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 07:21:48,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 07:21:48,058 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 07:21:48,062 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 07:21:48,067 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 07:21:48,120 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 07:21:48,140 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 07:21:48,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 07:21:48,346 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 46 treesize of output 16 [2022-12-14 07:21:48,358 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 07:21:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:48,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 07:21:49,212 INFO L217 Elim1Store]: Index analysis took 599 ms [2022-12-14 07:21:53,488 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 07:21:53,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519790 [2022-12-14 07:21:54,880 INFO L217 Elim1Store]: Index analysis took 1209 ms [2022-12-14 07:21:55,453 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 07:21:55,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-12-14 07:22:02,462 WARN L233 SmtUtils]: Spent 6.90s 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 07:22:02,463 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:22:02,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 07:22:24,536 WARN L233 SmtUtils]: Spent 21.88s 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 07:22:24,537 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:22:24,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 07:22:26,087 INFO L217 Elim1Store]: Index analysis took 946 ms [2022-12-14 07:22:58,328 WARN L233 SmtUtils]: Spent 31.71s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:22:58,329 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-12-14 07:22:58,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-12-14 07:22:59,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:22:59,338 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 07:22:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:22:59,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:22:59,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:22:59,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 07:23:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:00,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 07:23:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:00,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:23:01,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:01,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 07:23:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:01,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:23:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:02,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 07:23:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:05,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 07:23:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:08,116 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 28 treesize of output 18 [2022-12-14 07:23:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:08,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 07:23:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:08,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:23:08,327 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 28 treesize of output 18 [2022-12-14 07:23:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:08,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 07:23:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:08,437 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 19 treesize of output 13 [2022-12-14 07:23:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:08,485 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 07:23:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:09,025 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 07:23:22,127 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-12-14 07:23:22,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-12-14 07:23:22,264 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 51 treesize of output 43 [2022-12-14 07:23:22,518 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:22,607 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:23,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:23:23,921 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 93 treesize of output 59 [2022-12-14 07:23:24,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:24,111 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:24,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:24,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:23:25,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:25,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:28,063 INFO L217 Elim1Store]: Index analysis took 845 ms [2022-12-14 07:23:37,173 WARN L233 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:23:37,173 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-12-14 07:23:37,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-12-14 07:23:38,197 INFO L217 Elim1Store]: Index analysis took 654 ms [2022-12-14 07:23:38,668 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-12-14 07:23:38,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-12-14 07:23:39,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 179 [2022-12-14 07:23:39,341 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:23:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:23:41,442 INFO L217 Elim1Store]: Index analysis took 1101 ms [2022-12-14 07:23:46,471 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:23:46,472 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-12-14 07:23:46,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-12-14 07:23:48,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:23:48,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:23:50,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:00,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:01,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:01,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:08,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:08,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:12,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:14,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:14,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:15,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:18,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:18,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:18,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:19,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:19,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:19,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:19,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:19,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:19,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:20,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:20,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:24:20,762 INFO L217 Elim1Store]: Index analysis took 31850 ms [2022-12-14 07:24:20,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574