./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:56:00,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:56:00,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:56:00,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:56:00,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:56:00,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:56:00,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:56:00,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:56:00,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:56:00,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:56:00,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:56:00,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:56:00,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:56:00,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:56:00,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:56:00,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:56:00,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:56:00,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:56:00,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:56:00,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:56:00,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:56:00,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:56:00,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:56:00,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:56:00,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:56:00,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:56:00,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:56:00,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:56:00,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:56:00,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:56:00,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:56:00,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:56:00,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:56:00,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:56:00,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:56:00,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:56:00,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:56:00,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:56:00,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:56:00,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:56:00,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:56:00,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 15:56:00,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:56:00,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:56:00,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:56:00,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:56:00,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:56:00,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:56:00,712 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:56:00,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:56:00,712 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:56:00,712 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:56:00,713 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:56:00,713 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:56:00,713 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:56:00,713 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:56:00,713 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:56:00,713 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:56:00,714 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:56:00,714 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:56:00,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:56:00,714 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:56:00,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:56:00,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:56:00,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:56:00,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:56:00,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:56:00,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:56:00,716 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:56:00,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:56:00,716 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:56:00,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:56:00,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:56:00,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:56:00,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:00,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:56:00,717 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:56:00,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:56:00,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:56:00,717 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:56:00,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:56:00,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:56:00,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:56:00,718 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_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2022-12-14 15:56:00,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:56:00,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:56:00,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:56:00,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:56:00,926 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:56:00,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-12-14 15:56:03,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:56:03,685 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:56:03,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-12-14 15:56:03,700 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/data/5335b934a/0b15ea8ed9cf4cb6b72b9ffc537434b4/FLAGe9236773b [2022-12-14 15:56:04,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/data/5335b934a/0b15ea8ed9cf4cb6b72b9ffc537434b4 [2022-12-14 15:56:04,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:56:04,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:56:04,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:04,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:56:04,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:56:04,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73103b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04, skipping insertion in model container [2022-12-14 15:56:04,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:56:04,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:56:04,399 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_2fc4a093-70ee-44bc-bee6-6033f6e664a2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-12-14 15:56:04,486 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:56:04,496 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_2fc4a093-70ee-44bc-bee6-6033f6e664a2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-12-14 15:56:04,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:56:04,514 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:56:04,547 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_2fc4a093-70ee-44bc-bee6-6033f6e664a2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-12-14 15:56:04,581 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:56:04,586 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_2fc4a093-70ee-44bc-bee6-6033f6e664a2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-12-14 15:56:04,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:56:04,609 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:56:04,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04 WrapperNode [2022-12-14 15:56:04,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:04,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:56:04,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:56:04,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:56:04,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,679 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-12-14 15:56:04,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:56:04,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:56:04,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:56:04,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:56:04,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,741 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:56:04,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:56:04,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:56:04,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:56:04,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (1/1) ... [2022-12-14 15:56:04,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:04,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:04,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:56:04,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:56:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:56:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:56:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:56:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 15:56:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:56:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:56:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:56:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:56:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:56:04,961 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:56:04,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:56:06,032 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:56:06,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:56:06,275 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 15:56:06,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:56:06 BoogieIcfgContainer [2022-12-14 15:56:06,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:56:06,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:56:06,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:56:06,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:56:06,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:56:04" (1/3) ... [2022-12-14 15:56:06,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ece17eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:56:06, skipping insertion in model container [2022-12-14 15:56:06,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:04" (2/3) ... [2022-12-14 15:56:06,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ece17eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:56:06, skipping insertion in model container [2022-12-14 15:56:06,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:56:06" (3/3) ... [2022-12-14 15:56:06,283 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2022-12-14 15:56:06,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:56:06,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:56:06,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:56:06,339 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;@39de8630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:56:06,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:56:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 15:56:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:56:06,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:06,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:06,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:06,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:06,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-12-14 15:56:06,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:06,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508267917] [2022-12-14 15:56:06,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:56:06,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:06,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508267917] [2022-12-14 15:56:06,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508267917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:06,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:06,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:56:06,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753051057] [2022-12-14 15:56:06,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:06,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:56:06,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:56:06,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:56:06,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:56:06,519 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:06,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:06,877 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-12-14 15:56:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:56:06,882 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 [2022-12-14 15:56:06,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:06,888 INFO L225 Difference]: With dead ends: 245 [2022-12-14 15:56:06,889 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 15:56:06,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:56:06,893 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:06,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 15:56:06,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 15:56:06,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 15:56:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 15:56:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-12-14 15:56:06,928 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-12-14 15:56:06,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:06,928 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-12-14 15:56:06,928 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) [2022-12-14 15:56:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-12-14 15:56:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 15:56:06,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:06,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:06,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:56:06,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-12-14 15:56:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:06,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479373884] [2022-12-14 15:56:06,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:06,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:56:07,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:07,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479373884] [2022-12-14 15:56:07,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479373884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:07,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:07,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:56:07,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808895442] [2022-12-14 15:56:07,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:07,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:56:07,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:56:07,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:56:07,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:56:07,060 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:08,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:56:08,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:08,953 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-12-14 15:56:08,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:56:08,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 15:56:08,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:08,958 INFO L225 Difference]: With dead ends: 258 [2022-12-14 15:56:08,958 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 15:56:08,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:56:08,959 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:08,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 15:56:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 15:56:08,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-12-14 15:56:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 15:56:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-12-14 15:56:08,969 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-12-14 15:56:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:08,969 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-12-14 15:56:08,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-12-14 15:56:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 15:56:08,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:08,970 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:08,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:56:08,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:08,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-12-14 15:56:08,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:08,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030940975] [2022-12-14 15:56:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:09,069 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:56:09,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100890289] [2022-12-14 15:56:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:09,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:09,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:09,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:56:09,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:56:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:09,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:56:09,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:56:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:56:09,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:56:09,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:09,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030940975] [2022-12-14 15:56:09,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:56:09,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100890289] [2022-12-14 15:56:09,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100890289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:09,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:09,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:56:09,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65481305] [2022-12-14 15:56:09,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:09,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:56:09,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:56:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:56:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:56:09,650 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:10,566 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-12-14 15:56:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:56:10,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 15:56:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:10,571 INFO L225 Difference]: With dead ends: 304 [2022-12-14 15:56:10,571 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 15:56:10,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:56:10,572 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:10,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 15:56:10,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 15:56:10,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-12-14 15:56:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 15:56:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-12-14 15:56:10,583 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-12-14 15:56:10,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:10,583 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-12-14 15:56:10,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-12-14 15:56:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 15:56:10,584 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:10,585 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:10,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:56:10,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 15:56:10,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:10,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-12-14 15:56:10,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088686305] [2022-12-14 15:56:10,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:10,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:10,872 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:56:10,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139214719] [2022-12-14 15:56:10,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:10,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:10,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:10,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:56:10,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:56:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:11,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:56:11,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:56:11,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:56:11,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 15:56:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 15:56:11,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:56:11,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:11,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088686305] [2022-12-14 15:56:11,277 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:56:11,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139214719] [2022-12-14 15:56:11,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139214719] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:11,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:11,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:56:11,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400033292] [2022-12-14 15:56:11,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:11,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:56:11,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:56:11,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:56:11,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:56:11,278 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:56:12,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:12,594 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-12-14 15:56:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:56:12,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-12-14 15:56:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:12,598 INFO L225 Difference]: With dead ends: 231 [2022-12-14 15:56:12,598 INFO L226 Difference]: Without dead ends: 212 [2022-12-14 15:56:12,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:56:12,599 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:12,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 15:56:12,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-12-14 15:56:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-12-14 15:56:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 15:56:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-12-14 15:56:12,607 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-12-14 15:56:12,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:12,607 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-12-14 15:56:12,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:56:12,608 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-12-14 15:56:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 15:56:12,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:12,608 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:12,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 15:56:12,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:12,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:12,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:12,810 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-12-14 15:56:12,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:12,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743625781] [2022-12-14 15:56:12,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:12,858 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:56:12,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121852158] [2022-12-14 15:56:12,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:12,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:12,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:56:12,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:56:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:13,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:56:13,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:56:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:56:13,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:56:13,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:13,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743625781] [2022-12-14 15:56:13,263 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:56:13,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121852158] [2022-12-14 15:56:13,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121852158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:13,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:13,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:56:13,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886820061] [2022-12-14 15:56:13,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:13,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:56:13,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:56:13,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:56:13,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:56:13,265 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:56:13,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:13,911 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-12-14 15:56:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:56:13,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 15:56:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:13,913 INFO L225 Difference]: With dead ends: 395 [2022-12-14 15:56:13,913 INFO L226 Difference]: Without dead ends: 242 [2022-12-14 15:56:13,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:56:13,914 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:13,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 15:56:13,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-12-14 15:56:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-12-14 15:56:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 15:56:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-12-14 15:56:13,931 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-12-14 15:56:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:13,932 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-12-14 15:56:13,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:56:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-12-14 15:56:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 15:56:13,934 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:13,934 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:13,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:56:14,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:14,136 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:14,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:14,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-12-14 15:56:14,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:14,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220082330] [2022-12-14 15:56:14,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:14,209 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:56:14,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383676942] [2022-12-14 15:56:14,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:14,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:14,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:14,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:56:14,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:56:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:24,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:56:24,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:56:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 15:56:24,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:56:24,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:24,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220082330] [2022-12-14 15:56:24,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:56:24,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383676942] [2022-12-14 15:56:24,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383676942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:24,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:24,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:56:24,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841929117] [2022-12-14 15:56:24,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:24,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:56:24,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:56:24,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:56:24,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:56:24,263 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:56:25,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:25,050 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-12-14 15:56:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:56:25,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-12-14 15:56:25,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:25,054 INFO L225 Difference]: With dead ends: 411 [2022-12-14 15:56:25,054 INFO L226 Difference]: Without dead ends: 216 [2022-12-14 15:56:25,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:56:25,055 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:25,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 15:56:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-14 15:56:25,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-14 15:56:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-12-14 15:56:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-12-14 15:56:25,070 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-12-14 15:56:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:25,070 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-12-14 15:56:25,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:56:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-12-14 15:56:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 15:56:25,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:25,072 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:25,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 15:56:25,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:25,275 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:25,277 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-12-14 15:56:25,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:56:25,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102776162] [2022-12-14 15:56:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:25,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:56:25,334 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:56:25,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508910894] [2022-12-14 15:56:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:25,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:56:25,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:56:25,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:56:25,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fc4a093-70ee-44bc-bee6-6033f6e664a2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:56:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:57,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:56:57,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:56:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 15:56:57,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:56:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 15:56:57,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:56:57,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102776162] [2022-12-14 15:56:57,888 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:56:57,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508910894] [2022-12-14 15:56:57,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508910894] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:56:57,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2010291463] [2022-12-14 15:56:57,903 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 15:56:57,903 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:56:57,905 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:56:57,909 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:56:57,909 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:56:57,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:56:57,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:56:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:57,993 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 15:56:57,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 15:56:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 15:56:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,020 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 15:56:58,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 15:56:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,068 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:56:58,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-12-14 15:56:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,107 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:56:58,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 15:56:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:56:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,165 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:56:58,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:56:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 15:56:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 15:56:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-12-14 15:56:58,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:56:58,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:56:58,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:56:58,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:56:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 15:56:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 15:56:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 15:56:58,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:56:58,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,880 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 15:56:58,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-12-14 15:56:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:58,942 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:56:58,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 15:56:58,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:56:59,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:56:59,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:56:59,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:56:59,165 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:56:59,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 15:56:59,191 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 15:56:59,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 15:56:59,214 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:56:59,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 15:56:59,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:56:59,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 15:56:59,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:56:59,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:56:59,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:56:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 15:56:59,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:56:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:56:59,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 15:56:59,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:57:00,355 INFO L217 Elim1Store]: Index analysis took 462 ms [2022-12-14 15:57:04,316 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 15:57:04,317 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 [2022-12-14 15:57:05,179 INFO L217 Elim1Store]: Index analysis took 730 ms [2022-12-14 15:57:05,629 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 15:57:05,630 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 [2022-12-14 15:57:13,595 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:57:13,596 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 15:57:13,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 15:57:13,840 INFO L217 Elim1Store]: Index analysis took 117 ms [2022-12-14 15:57:34,696 WARN L233 SmtUtils]: Spent 20.85s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:57:34,697 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 15:57:34,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 15:57:36,266 INFO L217 Elim1Store]: Index analysis took 1147 ms [2022-12-14 15:57:59,984 WARN L233 SmtUtils]: Spent 22.86s 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) [2022-12-14 15:57:59,985 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 15:57:59,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-12-14 15:58:01,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:01,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 15:58:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:58:01,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:58:01,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:01,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 15:58:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:58:01,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 15:58:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:58:02,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 15:58:04,943 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-12-14 15:58:04,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-12-14 15:58:10,958 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:58:11,493 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:58:11,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-12-14 15:58:12,345 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:58:18,640 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-12-14 15:58:18,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-12-14 15:58:19,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43142 treesize of output 43102 [2022-12-14 15:58:21,193 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-12-14 15:58:21,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-12-14 15:58:22,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 15:58:24,128 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-12-14 15:58:24,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-12-14 15:58:51,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:52,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:52,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:52,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:53,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,568 INFO L217 Elim1Store]: Index analysis took 5051 ms [2022-12-14 15:58:54,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:54,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-12-14 15:58:54,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 15:58:56,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:58:59,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,442 INFO L217 Elim1Store]: Index analysis took 5085 ms [2022-12-14 15:59:00,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:00,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-12-14 15:59:01,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:01,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:03,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,357 INFO L217 Elim1Store]: Index analysis took 3676 ms [2022-12-14 15:59:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:04,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-12-14 15:59:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:04,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:04,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-12-14 15:59:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:05,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:07,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,876 INFO L217 Elim1Store]: Index analysis took 2782 ms [2022-12-14 15:59:07,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:07,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-12-14 15:59:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:08,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2022-12-14 15:59:08,437 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:59:09,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:09,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,101 INFO L217 Elim1Store]: Index analysis took 1608 ms [2022-12-14 15:59:10,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:10,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-12-14 15:59:14,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:18,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,453 INFO L217 Elim1Store]: Index analysis took 5586 ms [2022-12-14 15:59:19,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:19,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-12-14 15:59:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:19,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 194 [2022-12-14 15:59:20,017 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:59:23,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:24,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:24,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:24,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,203 INFO L217 Elim1Store]: Index analysis took 5031 ms [2022-12-14 15:59:25,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:25,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-12-14 15:59:25,495 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:59:26,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:29,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:29,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,383 INFO L217 Elim1Store]: Index analysis took 4661 ms [2022-12-14 15:59:30,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:30,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-12-14 15:59:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:30,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 54 [2022-12-14 15:59:31,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:31,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,098 INFO L217 Elim1Store]: Index analysis took 1170 ms [2022-12-14 15:59:32,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:32,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-12-14 15:59:43,187 INFO L217 Elim1Store]: Index analysis took 6869 ms [2022-12-14 15:59:44,231 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-12-14 15:59:44,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-12-14 15:59:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:44,577 INFO L217 Elim1Store]: Index analysis took 201 ms [2022-12-14 15:59:44,922 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:59:44,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-12-14 15:59:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:45,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-12-14 15:59:48,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:50,745 INFO L217 Elim1Store]: Index analysis took 5348 ms [2022-12-14 15:59:51,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 2350 [2022-12-14 15:59:51,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:52,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:53,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:58,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,283 INFO L217 Elim1Store]: Index analysis took 7475 ms [2022-12-14 15:59:59,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:59:59,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-12-14 15:59:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:59:59,691 INFO L217 Elim1Store]: Index analysis took 198 ms [2022-12-14 16:00:00,084 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 16:00:00,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-12-14 16:00:00,487 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 16:00:01,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:02,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:05,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:10,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,541 INFO L217 Elim1Store]: Index analysis took 11463 ms [2022-12-14 16:00:12,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:12,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-12-14 16:00:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:13,284 INFO L217 Elim1Store]: Index analysis took 287 ms [2022-12-14 16:00:13,892 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 16:00:13,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-12-14 16:00:14,235 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 16:00:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:15,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:16,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:17,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,446 INFO L217 Elim1Store]: Index analysis took 3014 ms [2022-12-14 16:00:17,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:00:17,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-12-14 16:00:17,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2022-12-14 16:00:17,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 16:01:29,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:01:31,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:01:31,548 INFO L217 Elim1Store]: Index analysis took 1979 ms [2022-12-14 16:01:31,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-12-14 16:01:32,965 INFO L217 Elim1Store]: Index analysis took 428 ms [2022-12-14 16:03:30,644 WARN L233 SmtUtils]: Spent 1.96m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:03:30,646 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-12-14 16:03:30,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048