./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:03:30,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:03:30,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:03:30,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:03:30,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:03:30,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:03:30,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:03:30,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:03:30,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:03:30,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:03:30,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:03:30,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:03:30,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:03:30,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:03:30,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:03:30,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:03:30,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:03:30,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:03:30,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:03:30,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:03:30,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:03:30,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:03:30,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:03:30,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:03:30,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:03:30,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:03:30,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:03:30,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:03:30,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:03:30,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:03:30,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:03:30,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:03:30,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:03:30,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:03:30,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:03:30,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:03:30,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:03:30,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:03:30,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:03:30,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:03:30,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:03:30,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 16:03:30,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:03:30,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:03:30,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:03:30,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:03:30,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:03:30,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:03:30,585 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:03:30,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:03:30,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:03:30,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:03:30,587 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:03:30,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:03:30,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:03:30,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:03:30,588 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:03:30,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:03:30,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:03:30,588 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:03:30,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:03:30,590 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:03:30,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:03:30,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:03:30,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:03:30,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:03:30,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:03:30,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:03:30,591 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:03:30,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:03:30,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:03:30,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:03:30,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:03:30,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:03:30,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:03:30,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:03:30,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:03:30,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:03:30,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:03:30,595 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:03:30,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:03:30,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:03:30,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:03:30,596 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_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2022-11-23 16:03:30,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:03:30,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:03:30,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:03:30,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:03:30,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:03:30,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-11-23 16:03:34,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:03:34,346 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:03:34,347 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-11-23 16:03:34,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/data/385421db5/c16d8f6e01dd4b53a40982e86f0073a5/FLAGbe4499a30 [2022-11-23 16:03:34,399 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/data/385421db5/c16d8f6e01dd4b53a40982e86f0073a5 [2022-11-23 16:03:34,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:03:34,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:03:34,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:03:34,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:03:34,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:03:34,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:03:34" (1/1) ... [2022-11-23 16:03:34,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bddd08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:34, skipping insertion in model container [2022-11-23 16:03:34,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:03:34" (1/1) ... [2022-11-23 16:03:34,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:03:34,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:03:34,951 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_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-11-23 16:03:35,108 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_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-11-23 16:03:35,109 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_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-11-23 16:03:35,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:03:35,127 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:03:35,161 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_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-11-23 16:03:35,234 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_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-11-23 16:03:35,235 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_60df8841-d94d-4f68-837b-6c8261831e16/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-11-23 16:03:35,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:03:35,276 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:03:35,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35 WrapperNode [2022-11-23 16:03:35,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:03:35,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:03:35,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:03:35,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:03:35,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,370 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-11-23 16:03:35,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:03:35,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:03:35,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:03:35,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:03:35,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:03:35,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:03:35,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:03:35,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:03:35,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (1/1) ... [2022-11-23 16:03:35,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:03:35,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:35,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:03:35,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:03:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 16:03:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 16:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 16:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:03:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:03:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:03:35,953 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:03:35,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:03:37,602 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:03:38,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:03:38,104 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-23 16:03:38,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:38 BoogieIcfgContainer [2022-11-23 16:03:38,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:03:38,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:03:38,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:03:38,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:03:38,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:03:34" (1/3) ... [2022-11-23 16:03:38,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20874cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:03:38, skipping insertion in model container [2022-11-23 16:03:38,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:35" (2/3) ... [2022-11-23 16:03:38,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20874cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:03:38, skipping insertion in model container [2022-11-23 16:03:38,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:38" (3/3) ... [2022-11-23 16:03:38,117 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2022-11-23 16:03:38,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:03:38,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:03:38,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:03:38,199 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;@47fc639a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:03:38,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:03:38,206 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) [2022-11-23 16:03:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 16:03:38,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:38,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:38,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:38,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:38,223 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-11-23 16:03:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:38,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223031889] [2022-11-23 16:03:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:38,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:03:38,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:38,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223031889] [2022-11-23 16:03:38,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223031889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:03:38,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:03:38,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:03:38,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585564576] [2022-11-23 16:03:38,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:03:38,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 16:03:38,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:03:38,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 16:03:38,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:03:38,468 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) [2022-11-23 16:03:38,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:38,992 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-11-23 16:03:38,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 16:03:38,997 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 [2022-11-23 16:03:38,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:39,006 INFO L225 Difference]: With dead ends: 215 [2022-11-23 16:03:39,007 INFO L226 Difference]: Without dead ends: 107 [2022-11-23 16:03:39,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:03:39,014 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:39,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 16:03:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-23 16:03:39,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-23 16:03:39,060 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) [2022-11-23 16:03:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-11-23 16:03:39,064 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-11-23 16:03:39,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:39,064 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-11-23 16:03:39,065 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) [2022-11-23 16:03:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-23 16:03:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 16:03:39,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:39,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:39,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:03:39,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:39,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:39,067 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-11-23 16:03:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:39,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027972887] [2022-11-23 16:03:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:03:39,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:39,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027972887] [2022-11-23 16:03:39,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027972887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:03:39,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:03:39,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:03:39,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81339954] [2022-11-23 16:03:39,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:03:39,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:03:39,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:03:39,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:03:39,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:03:39,353 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) [2022-11-23 16:03:41,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:03:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:41,905 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-11-23 16:03:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 16:03:41,910 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 [2022-11-23 16:03:41,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:41,912 INFO L225 Difference]: With dead ends: 219 [2022-11-23 16:03:41,913 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 16:03:41,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:03:41,914 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:41,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 16:03:41,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 16:03:41,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-11-23 16:03:41,925 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) [2022-11-23 16:03:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-11-23 16:03:41,927 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-11-23 16:03:41,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:41,927 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-11-23 16:03:41,927 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) [2022-11-23 16:03:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-11-23 16:03:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 16:03:41,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:41,929 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] [2022-11-23 16:03:41,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:03:41,930 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:41,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-11-23 16:03:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:41,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937320895] [2022-11-23 16:03:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:41,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:42,095 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:03:42,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527046380] [2022-11-23 16:03:42,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:42,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:42,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:42,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:03:42,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 16:03:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:42,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 16:03:42,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:03:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:03:43,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:03:43,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:43,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937320895] [2022-11-23 16:03:43,037 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:03:43,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527046380] [2022-11-23 16:03:43,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527046380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:03:43,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:03:43,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:03:43,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063216568] [2022-11-23 16:03:43,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:03:43,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:03:43,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:03:43,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:03:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:03:43,044 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) [2022-11-23 16:03:44,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:44,678 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-11-23 16:03:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:03:44,684 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 [2022-11-23 16:03:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:44,686 INFO L225 Difference]: With dead ends: 265 [2022-11-23 16:03:44,690 INFO L226 Difference]: Without dead ends: 159 [2022-11-23 16:03:44,691 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 [2022-11-23 16:03:44,692 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:44,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 16:03:44,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-23 16:03:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-11-23 16:03:44,706 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) [2022-11-23 16:03:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-11-23 16:03:44,707 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-11-23 16:03:44,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:44,708 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-11-23 16:03:44,708 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) [2022-11-23 16:03:44,709 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-11-23 16:03:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 16:03:44,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:44,710 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] [2022-11-23 16:03:44,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 16:03:44,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:44,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:44,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:44,920 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-11-23 16:03:44,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:44,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374888809] [2022-11-23 16:03:44,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:44,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:44,999 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:03:44,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702828667] [2022-11-23 16:03:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:45,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:03:45,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 16:03:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:45,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 16:03:45,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:03:45,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 16:03:45,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 16:03:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 16:03:45,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:03:45,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:45,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374888809] [2022-11-23 16:03:45,601 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:03:45,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702828667] [2022-11-23 16:03:45,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702828667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:03:45,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:03:45,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:03:45,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902784431] [2022-11-23 16:03:45,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:03:45,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:03:45,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:03:45,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:03:45,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:03:45,604 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) [2022-11-23 16:03:47,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:03:47,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:47,974 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-11-23 16:03:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 16:03:47,980 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 [2022-11-23 16:03:47,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:47,981 INFO L225 Difference]: With dead ends: 201 [2022-11-23 16:03:47,981 INFO L226 Difference]: Without dead ends: 197 [2022-11-23 16:03:47,982 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 [2022-11-23 16:03:47,982 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:47,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 16:03:47,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-23 16:03:48,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-11-23 16:03:48,012 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) [2022-11-23 16:03:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-11-23 16:03:48,014 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-11-23 16:03:48,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:48,020 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-11-23 16:03:48,020 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) [2022-11-23 16:03:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-11-23 16:03:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 16:03:48,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:48,022 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:48,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:03:48,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:48,223 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:48,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:48,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-11-23 16:03:48,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:48,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929709846] [2022-11-23 16:03:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:48,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:48,353 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:03:48,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [883618138] [2022-11-23 16:03:48,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:48,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:48,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:48,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:03:48,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 16:03:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:48,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 16:03:48,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:03:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 16:03:49,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:03:49,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:49,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929709846] [2022-11-23 16:03:49,073 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:03:49,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883618138] [2022-11-23 16:03:49,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883618138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:03:49,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:03:49,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:03:49,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711972270] [2022-11-23 16:03:49,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:03:49,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:03:49,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:03:49,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:03:49,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:03:49,076 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) [2022-11-23 16:03:49,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:49,760 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-11-23 16:03:49,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 16:03:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-23 16:03:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:49,766 INFO L225 Difference]: With dead ends: 344 [2022-11-23 16:03:49,767 INFO L226 Difference]: Without dead ends: 206 [2022-11-23 16:03:49,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:03:49,768 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:49,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 16:03:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-23 16:03:49,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-11-23 16:03:49,796 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) [2022-11-23 16:03:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-11-23 16:03:49,797 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-11-23 16:03:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:49,800 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-11-23 16:03:49,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 16:03:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-11-23 16:03:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 16:03:49,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:49,803 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:49,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:03:50,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:50,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:50,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:50,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-11-23 16:03:50,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:50,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860754770] [2022-11-23 16:03:50,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:50,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:50,072 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:03:50,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853734555] [2022-11-23 16:03:50,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:50,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:50,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:50,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:03:50,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 16:04:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:04,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 16:04:04,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:04:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 16:04:04,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:04:04,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:04,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860754770] [2022-11-23 16:04:04,454 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:04:04,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853734555] [2022-11-23 16:04:04,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853734555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:04,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:04,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:04:04,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545976080] [2022-11-23 16:04:04,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:04,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:04:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:04,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:04:04,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:04:04,458 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) [2022-11-23 16:04:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:04:06,017 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-11-23 16:04:06,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 16:04:06,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-23 16:04:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:04:06,025 INFO L225 Difference]: With dead ends: 381 [2022-11-23 16:04:06,025 INFO L226 Difference]: Without dead ends: 201 [2022-11-23 16:04:06,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:04:06,026 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:04:06,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 16:04:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-23 16:04:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-23 16:04:06,041 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) [2022-11-23 16:04:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-11-23 16:04:06,042 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-11-23 16:04:06,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:04:06,043 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-11-23 16:04:06,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 16:04:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-11-23 16:04:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 16:04:06,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:06,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:04:06,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 16:04:06,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 16:04:06,258 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:04:06,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-11-23 16:04:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:06,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681550737] [2022-11-23 16:04:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:06,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:06,328 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:04:06,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827616169] [2022-11-23 16:04:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:06,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:04:06,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:04:06,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:04:06,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60df8841-d94d-4f68-837b-6c8261831e16/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 16:04:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:27,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 16:04:27,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:04:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 16:04:27,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:04:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 16:04:27,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:27,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681550737] [2022-11-23 16:04:27,469 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:04:27,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827616169] [2022-11-23 16:04:27,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827616169] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:04:27,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1802438068] [2022-11-23 16:04:27,492 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 16:04:27,493 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:04:27,497 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:04:27,502 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:04:27,503 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:04:27,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 16:04:27,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 16:04:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,690 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 16:04:27,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-23 16:04:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,722 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 16:04:27,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 16:04:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,736 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 [2022-11-23 16:04:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 16:04:27,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,805 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 16:04:27,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-23 16:04:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 16:04:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,870 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 16:04:27,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 16:04:27,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:27,927 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 16:04:27,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 16:04:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-23 16:04:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-23 16:04:28,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 16:04:28,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 16:04:28,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 16:04:28,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 16:04:28,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 16:04:28,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 16:04:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 16:04:28,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 16:04:28,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 16:04:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:28,987 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 16:04:28,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 16:04:29,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,084 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 16:04:29,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 16:04:29,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:04:29,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 16:04:29,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:04:29,327 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 [2022-11-23 16:04:29,336 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 [2022-11-23 16:04:29,344 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 [2022-11-23 16:04:29,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:04:29,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 16:04:29,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:04:29,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 16:04:29,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 16:04:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 16:04:29,706 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 [2022-11-23 16:04:29,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 16:04:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:04:29,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 16:04:30,829 INFO L217 Elim1Store]: Index analysis took 780 ms [2022-11-23 16:04:36,207 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:04:36,208 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 16:04:36,209 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 [2022-11-23 16:04:38,080 INFO L217 Elim1Store]: Index analysis took 1611 ms [2022-11-23 16:04:38,802 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 16:04:38,802 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 [2022-11-23 16:04:47,620 WARN L233 SmtUtils]: Spent 8.63s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:04:47,621 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 16:04:47,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-23 16:04:47,919 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-23 16:05:15,727 WARN L233 SmtUtils]: Spent 27.80s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:05:15,727 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 16:05:15,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-23 16:05:17,747 INFO L217 Elim1Store]: Index analysis took 1239 ms [2022-11-23 16:05:58,909 WARN L233 SmtUtils]: Spent 40.53s 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) [2022-11-23 16:05:58,910 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-23 16:05:58,911 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 [2022-11-23 16:06:00,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:06:00,471 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 [2022-11-23 16:06:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:00,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:06:00,696 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-23 16:06:00,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 16:06:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:02,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 16:06:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:02,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 16:06:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:04,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 16:06:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:04,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 16:06:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:05,439 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 [2022-11-23 16:06:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:09,123 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 [2022-11-23 16:06:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:13,374 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 [2022-11-23 16:06:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:13,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 16:06:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:13,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:06:13,670 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 [2022-11-23 16:06:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:13,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 16:06:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:13,831 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 [2022-11-23 16:06:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:13,890 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 [2022-11-23 16:06:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:14,544 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 [2022-11-23 16:06:30,115 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-11-23 16:06:30,117 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 [2022-11-23 16:06:30,338 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 [2022-11-23 16:06:30,734 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:30,865 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:32,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:06:32,757 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 [2022-11-23 16:06:32,884 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:33,021 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:33,098 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:34,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:06:34,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:34,538 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:39,269 INFO L217 Elim1Store]: Index analysis took 1359 ms [2022-11-23 16:06:50,237 WARN L233 SmtUtils]: Spent 10.95s 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) [2022-11-23 16:06:50,237 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-11-23 16:06:50,239 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 [2022-11-23 16:06:51,722 INFO L217 Elim1Store]: Index analysis took 993 ms [2022-11-23 16:06:52,399 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-11-23 16:06:52,400 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 [2022-11-23 16:06:53,167 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 [2022-11-23 16:06:53,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:06:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:06:56,150 INFO L217 Elim1Store]: Index analysis took 1332 ms [2022-11-23 16:07:02,578 WARN L233 SmtUtils]: Spent 6.42s 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) [2022-11-23 16:07:02,579 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-11-23 16:07:02,579 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 [2022-11-23 16:07:05,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:05,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:08,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:21,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:23,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:23,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:31,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:31,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:36,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:38,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:38,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:39,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:44,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:44,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:44,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:45,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:45,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:45,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:45,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:45,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:45,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:46,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:46,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:46,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:07:46,457 INFO L217 Elim1Store]: Index analysis took 40658 ms [2022-11-23 16:07:46,535 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