./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur --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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- 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-38b53e6 [2022-11-26 00:55:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:10,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:10,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:10,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:10,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:10,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:10,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:10,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:10,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:10,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:10,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:10,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:10,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:10,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:10,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:10,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:10,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:10,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:10,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:10,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:10,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:10,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:10,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:10,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:10,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:10,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:10,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:10,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:10,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:10,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:10,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:10,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:10,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:10,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:10,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:10,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:10,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:10,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:10,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:10,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:10,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:55:10,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:10,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:10,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:10,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:10,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:10,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:10,607 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:10,607 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:10,607 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:10,607 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:55:10,608 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:10,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:10,609 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:55:10,609 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:55:10,609 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:10,609 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:55:10,610 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:55:10,610 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:55:10,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:10,611 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:55:10,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:55:10,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:55:10,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:10,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:10,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:10,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:10,613 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:55:10,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:10,614 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:10,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:10,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:10,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:10,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:10,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:10,615 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:55:10,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:10,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:10,616 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:55:10,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:55:10,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:10,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:10,617 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_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2022-11-26 00:55:10,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:11,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:11,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:11,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:11,010 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:11,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2022-11-26 00:55:14,270 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:14,762 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:14,762 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2022-11-26 00:55:14,800 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/data/5db974289/52ede2cbf8024bc6ac6590ee44bc066c/FLAG97828c6b4 [2022-11-26 00:55:14,830 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/data/5db974289/52ede2cbf8024bc6ac6590ee44bc066c [2022-11-26 00:55:14,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:14,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:14,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:14,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:14,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:14,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:14" (1/1) ... [2022-11-26 00:55:14,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb69883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:14, skipping insertion in model container [2022-11-26 00:55:14,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:14" (1/1) ... [2022-11-26 00:55:14,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:14,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:15,553 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_1eeadd03-495b-430e-9117-2613e3487fa6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2022-11-26 00:55:15,905 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:55:15,907 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_1eeadd03-495b-430e-9117-2613e3487fa6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2022-11-26 00:55:15,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:15,922 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:15,979 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_1eeadd03-495b-430e-9117-2613e3487fa6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2022-11-26 00:55:16,206 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:55:16,216 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_1eeadd03-495b-430e-9117-2613e3487fa6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2022-11-26 00:55:16,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:16,258 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:16,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16 WrapperNode [2022-11-26 00:55:16,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:16,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:16,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:16,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:16,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,449 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-26 00:55:16,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:16,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:16,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:16,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:16,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:16,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:16,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:16,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:16,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (1/1) ... [2022-11-26 00:55:16,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:16,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:16,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:55:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:55:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:55:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:55:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:55:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:55:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:55:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:55:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:55:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:55:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:55:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:16,964 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:16,966 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:55:19,775 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:55:20,232 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:55:20,232 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-26 00:55:20,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:20 BoogieIcfgContainer [2022-11-26 00:55:20,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:55:20,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:55:20,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:55:20,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:55:20,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:55:14" (1/3) ... [2022-11-26 00:55:20,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43906f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:20, skipping insertion in model container [2022-11-26 00:55:20,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:16" (2/3) ... [2022-11-26 00:55:20,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43906f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:20, skipping insertion in model container [2022-11-26 00:55:20,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:20" (3/3) ... [2022-11-26 00:55:20,246 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2022-11-26 00:55:20,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:55:20,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:55:20,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:55:20,342 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;@3b8f6fd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:55:20,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:55:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:55:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:55:20,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:20,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:20,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:20,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-26 00:55:20,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:20,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662656355] [2022-11-26 00:55:20,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:20,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:55:20,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:20,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662656355] [2022-11-26 00:55:20,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662656355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:20,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:20,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:55:20,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381406913] [2022-11-26 00:55:20,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:20,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:55:20,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:55:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:55:20,618 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:55:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:21,649 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-26 00:55:21,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:55:21,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:55:21,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:21,692 INFO L225 Difference]: With dead ends: 2197 [2022-11-26 00:55:21,692 INFO L226 Difference]: Without dead ends: 1097 [2022-11-26 00:55:21,718 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 [2022-11-26 00:55:21,724 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:21,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:55:21,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-26 00:55:22,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-26 00:55:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:55:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-26 00:55:22,223 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-26 00:55:22,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:22,223 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-26 00:55:22,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:55:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-26 00:55:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:55:22,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:22,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:22,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:55:22,227 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:22,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:22,228 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-26 00:55:22,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:22,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024179837] [2022-11-26 00:55:22,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:22,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:55:22,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:22,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024179837] [2022-11-26 00:55:22,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024179837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:22,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:22,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:22,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238841686] [2022-11-26 00:55:22,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:22,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:22,732 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-26 00:55:25,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:25,440 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-26 00:55:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:25,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-26 00:55:25,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:25,461 INFO L225 Difference]: With dead ends: 3192 [2022-11-26 00:55:25,461 INFO L226 Difference]: Without dead ends: 2148 [2022-11-26 00:55:25,468 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 [2022-11-26 00:55:25,469 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:25,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:55:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-26 00:55:25,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-26 00:55:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:55:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-26 00:55:25,967 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-26 00:55:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:25,967 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-26 00:55:25,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-26 00:55:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-26 00:55:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:55:25,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:25,971 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:25,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:55:25,975 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:25,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:25,977 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-26 00:55:25,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:25,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381394571] [2022-11-26 00:55:25,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:25,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:26,190 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:55:26,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097738496] [2022-11-26 00:55:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:26,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:26,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:26,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:55:26,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:55:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:26,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:55:26,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:55:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:55:27,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:55:27,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:27,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381394571] [2022-11-26 00:55:27,086 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:55:27,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097738496] [2022-11-26 00:55:27,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097738496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:27,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:27,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:55:27,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089979050] [2022-11-26 00:55:27,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:27,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:27,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:27,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:27,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:27,090 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-26 00:55:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:28,670 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-26 00:55:28,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:28,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2022-11-26 00:55:28,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:28,694 INFO L225 Difference]: With dead ends: 3230 [2022-11-26 00:55:28,694 INFO L226 Difference]: Without dead ends: 2134 [2022-11-26 00:55:28,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:28,702 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:28,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:55:28,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-26 00:55:29,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-26 00:55:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-26 00:55:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-26 00:55:29,292 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-26 00:55:29,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:29,294 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-26 00:55:29,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-26 00:55:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-26 00:55:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:55:29,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:29,306 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] [2022-11-26 00:55:29,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:55:29,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:29,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:29,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-26 00:55:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:29,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105730982] [2022-11-26 00:55:29,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:29,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:29,607 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:55:29,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854731937] [2022-11-26 00:55:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:29,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:29,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:55:29,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:55:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:30,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:55:30,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:55:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:55:30,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:55:30,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:30,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105730982] [2022-11-26 00:55:30,277 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:55:30,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854731937] [2022-11-26 00:55:30,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854731937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:30,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:30,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:30,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155789745] [2022-11-26 00:55:30,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:30,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:30,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:30,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:30,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:30,286 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 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) [2022-11-26 00:55:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:33,115 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-26 00:55:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:33,123 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 [2022-11-26 00:55:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:33,131 INFO L225 Difference]: With dead ends: 3228 [2022-11-26 00:55:33,131 INFO L226 Difference]: Without dead ends: 1112 [2022-11-26 00:55:33,141 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 [2022-11-26 00:55:33,142 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:33,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:55:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-26 00:55:33,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-26 00:55:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-26 00:55:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-26 00:55:33,458 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-26 00:55:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:33,459 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-26 00:55:33,459 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) [2022-11-26 00:55:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-26 00:55:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:55:33,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:33,461 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] [2022-11-26 00:55:33,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:55:33,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:33,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:33,675 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-26 00:55:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:33,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770454556] [2022-11-26 00:55:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:33,767 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:55:33,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341150030] [2022-11-26 00:55:33,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:33,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:33,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:33,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:55:33,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:55:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:52,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:55:52,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:55:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:55:52,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:55:52,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:52,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770454556] [2022-11-26 00:55:52,387 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:55:52,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341150030] [2022-11-26 00:55:52,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341150030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:52,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:52,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690165867] [2022-11-26 00:55:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:52,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:52,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:52,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:52,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:52,407 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:55:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:54,160 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-26 00:55:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:54,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-26 00:55:54,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:54,174 INFO L225 Difference]: With dead ends: 2207 [2022-11-26 00:55:54,174 INFO L226 Difference]: Without dead ends: 1114 [2022-11-26 00:55:54,183 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 [2022-11-26 00:55:54,183 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:54,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:55:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-26 00:55:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-26 00:55:54,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-26 00:55:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-26 00:55:54,500 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-26 00:55:54,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:54,501 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-26 00:55:54,501 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:55:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-26 00:55:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:55:54,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:54,502 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] [2022-11-26 00:55:54,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:55:54,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:54,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-26 00:55:54,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:54,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511472914] [2022-11-26 00:55:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:54,825 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:55:54,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [241690887] [2022-11-26 00:55:54,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:54,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:54,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:54,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:55:54,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeadd03-495b-430e-9117-2613e3487fa6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:56:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:54,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 00:56:54,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:56:55,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:56:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:56:55,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:55,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511472914] [2022-11-26 00:56:55,148 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:56:55,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241690887] [2022-11-26 00:56:55,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241690887] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:56:55,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1184993700] [2022-11-26 00:56:55,174 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 00:56:55,175 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:56:55,179 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:56:55,186 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:56:55,186 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:56:55,296 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 [2022-11-26 00:56:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,329 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:56:55,329 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 [2022-11-26 00:56:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,344 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 [2022-11-26 00:56:55,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:56:55,367 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 15 treesize of output 1 [2022-11-26 00:56:55,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,448 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:56:55,448 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 [2022-11-26 00:56:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,517 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:56:55,518 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 [2022-11-26 00:56:55,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,555 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 52 treesize of output 49 [2022-11-26 00:56:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:56:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:55,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:56:56,111 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 [2022-11-26 00:56:56,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,184 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 [2022-11-26 00:56:56,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,254 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 8458577 treesize of output 4759834 [2022-11-26 00:56:56,294 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 [2022-11-26 00:56:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,388 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 [2022-11-26 00:56:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,452 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 [2022-11-26 00:56:56,483 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 [2022-11-26 00:56:56,501 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 [2022-11-26 00:56:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,572 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 [2022-11-26 00:56:56,616 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 [2022-11-26 00:56:56,643 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 [2022-11-26 00:56:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,715 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:56:56,716 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 [2022-11-26 00:56:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:56,804 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:56:56,805 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 [2022-11-26 00:56:56,983 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 [2022-11-26 00:56:56,987 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 [2022-11-26 00:56:56,993 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 [2022-11-26 00:56:57,019 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 [2022-11-26 00:56:57,028 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 [2022-11-26 00:56:57,035 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 [2022-11-26 00:56:57,054 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 [2022-11-26 00:56:57,059 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 [2022-11-26 00:56:57,064 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 [2022-11-26 00:56:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 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 [2022-11-26 00:56:57,201 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 [2022-11-26 00:56:57,219 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 [2022-11-26 00:56:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:57,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 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 [2022-11-26 00:56:57,432 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 [2022-11-26 00:56:57,457 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 [2022-11-26 00:56:58,474 INFO L217 Elim1Store]: Index analysis took 744 ms [2022-11-26 00:57:02,416 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:57:02,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-26 00:57:04,428 INFO L217 Elim1Store]: Index analysis took 1750 ms [2022-11-26 00:57:05,151 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:57:05,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 00:57:12,695 WARN L233 SmtUtils]: Spent 7.42s 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) [2022-11-26 00:57:12,696 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:57:12,696 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 1481 [2022-11-26 00:57:13,099 INFO L217 Elim1Store]: Index analysis took 186 ms [2022-11-26 00:57:36,725 WARN L233 SmtUtils]: Spent 23.62s 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) [2022-11-26 00:57:36,726 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:57:36,727 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 1829 [2022-11-26 00:57:38,426 INFO L217 Elim1Store]: Index analysis took 1018 ms [2022-11-26 00:58:06,496 WARN L233 SmtUtils]: Spent 27.54s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:58:06,497 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-26 00:58:06,497 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 4294 treesize of output 11953 [2022-11-26 00:58:08,449 INFO L217 Elim1Store]: Index analysis took 151 ms [2022-11-26 00:58:08,978 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:58:08,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:58:09,101 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 7 treesize of output 3 [2022-11-26 00:58:09,697 INFO L217 Elim1Store]: Index analysis took 315 ms [2022-11-26 00:58:10,377 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:58:10,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:58:11,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:11,057 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 13 [2022-11-26 00:58:11,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:11,210 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 [2022-11-26 00:58:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:11,304 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 [2022-11-26 00:58:11,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:11,396 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 32 treesize of output 20 [2022-11-26 00:58:11,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:11,462 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 32 treesize of output 20 [2022-11-26 00:58:13,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:13,770 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 32 treesize of output 20 [2022-11-26 00:58:13,915 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:58:14,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:14,305 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 32 treesize of output 20 [2022-11-26 00:58:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:14,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:14,895 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 [2022-11-26 00:58:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:14,990 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 [2022-11-26 00:58:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:15,093 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 [2022-11-26 00:58:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:15,666 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 [2022-11-26 00:58:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:16,544 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 [2022-11-26 00:58:28,502 INFO L217 Elim1Store]: Index analysis took 1501 ms [2022-11-26 01:08:12,718 WARN L233 SmtUtils]: Spent 9.74m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:08:12,719 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-26 01:08:12,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-26 01:09:14,224 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:09:15,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:15,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:15,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:15,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:20,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:26,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:26,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:26,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:26,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:54,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:12,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:12,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:12,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:12,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:18,470 INFO L217 Elim1Store]: Index analysis took 63415 ms [2022-11-26 01:10:18,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-26 01:10:19,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:19,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:19,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:19,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:19,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:21,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:22,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:22,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:22,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:10:22,955 INFO L173 IndexEqualityManager]: detected equality via solver