./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/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_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/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_727205cf-71e3-4e9c-a513-7db1b72a48f7/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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- 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 09:32:16,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:32:16,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:32:16,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:32:16,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:32:16,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:32:16,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:32:16,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:32:16,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:32:16,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:32:16,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:32:16,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:32:16,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:32:16,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:32:16,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:32:16,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:32:16,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:32:16,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:32:16,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:32:16,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:32:16,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:32:16,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:32:16,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:32:16,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:32:16,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:32:16,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:32:16,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:32:16,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:32:16,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:32:16,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:32:16,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:32:16,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:32:16,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:32:16,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:32:16,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:32:16,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:32:16,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:32:16,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:32:16,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:32:16,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:32:16,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:32:16,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 09:32:16,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:32:16,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:32:16,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:32:16,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:32:16,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:32:16,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:32:16,614 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:32:16,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:32:16,614 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:32:16,615 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:32:16,615 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:32:16,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:32:16,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:32:16,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:32:16,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:32:16,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:32:16,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:32:16,618 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:32:16,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:32:16,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:32:16,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:32:16,618 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_727205cf-71e3-4e9c-a513-7db1b72a48f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2022-12-14 09:32:16,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:32:16,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:32:16,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:32:16,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:32:16,802 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:32:16,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2022-12-14 09:32:19,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:32:19,543 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:32:19,544 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2022-12-14 09:32:19,557 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/data/0c7f072e7/921e6731bdcd49dabacdb73e5ca518ca/FLAG8cb473f90 [2022-12-14 09:32:19,862 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/data/0c7f072e7/921e6731bdcd49dabacdb73e5ca518ca [2022-12-14 09:32:19,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:32:19,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:32:19,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:32:19,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:32:19,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:32:19,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:32:19" (1/1) ... [2022-12-14 09:32:19,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea67244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:19, skipping insertion in model container [2022-12-14 09:32:19,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:32:19" (1/1) ... [2022-12-14 09:32:19,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:32:19,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:32:20,146 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_727205cf-71e3-4e9c-a513-7db1b72a48f7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2022-12-14 09:32:20,204 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:32:20,211 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_727205cf-71e3-4e9c-a513-7db1b72a48f7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2022-12-14 09:32:20,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:32:20,223 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:32:20,244 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_727205cf-71e3-4e9c-a513-7db1b72a48f7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2022-12-14 09:32:20,277 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:32:20,282 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_727205cf-71e3-4e9c-a513-7db1b72a48f7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2022-12-14 09:32:20,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:32:20,307 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:32:20,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20 WrapperNode [2022-12-14 09:32:20,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:32:20,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:32:20,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:32:20,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:32:20,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,366 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-12-14 09:32:20,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:32:20,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:32:20,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:32:20,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:32:20,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,416 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:32:20,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:32:20,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:32:20,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:32:20,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (1/1) ... [2022-12-14 09:32:20,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:32:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:20,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:32:20,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:32:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:32:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 09:32:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 09:32:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:32:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 09:32:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:32:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:32:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:32:20,631 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:32:20,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:32:21,694 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:32:21,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:32:21,981 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 09:32:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:32:21 BoogieIcfgContainer [2022-12-14 09:32:21,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:32:21,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:32:21,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:32:21,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:32:21,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:32:19" (1/3) ... [2022-12-14 09:32:21,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26265978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:32:21, skipping insertion in model container [2022-12-14 09:32:21,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:32:20" (2/3) ... [2022-12-14 09:32:21,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26265978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:32:21, skipping insertion in model container [2022-12-14 09:32:21,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:32:21" (3/3) ... [2022-12-14 09:32:21,990 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2022-12-14 09:32:22,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:32:22,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:32:22,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:32:22,046 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;@6fca6cd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:32:22,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:32:22,049 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 09:32:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 09:32:22,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:22,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:22,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:22,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:22,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-12-14 09:32:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:22,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376899514] [2022-12-14 09:32:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:22,184 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 09:32:22,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:22,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376899514] [2022-12-14 09:32:22,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376899514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:22,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:22,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:32:22,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684484387] [2022-12-14 09:32:22,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:22,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:32:22,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:32:22,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:32:22,213 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 09:32:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:22,584 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-12-14 09:32:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:32:22,589 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 09:32:22,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:22,595 INFO L225 Difference]: With dead ends: 245 [2022-12-14 09:32:22,596 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 09:32:22,598 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 09:32:22,600 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 09:32:22,601 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 09:32:22,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 09:32:22,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 09:32:22,627 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 09:32:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-12-14 09:32:22,629 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-12-14 09:32:22,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:22,629 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-12-14 09:32:22,629 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 09:32:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-12-14 09:32:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 09:32:22,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:22,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:22,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:32:22,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:22,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:22,631 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-12-14 09:32:22,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:22,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090987490] [2022-12-14 09:32:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:22,766 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 09:32:22,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:22,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090987490] [2022-12-14 09:32:22,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090987490] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:22,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:22,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:32:22,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886352463] [2022-12-14 09:32:22,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:22,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:32:22,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:22,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:32:22,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:32:22,769 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 09:32:24,479 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 09:32:24,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:24,595 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-12-14 09:32:24,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:32:24,598 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 09:32:24,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:24,600 INFO L225 Difference]: With dead ends: 258 [2022-12-14 09:32:24,600 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 09:32:24,600 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 09:32:24,601 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:24,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 09:32:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 09:32:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-12-14 09:32:24,610 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 09:32:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-12-14 09:32:24,610 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-12-14 09:32:24,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:24,611 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-12-14 09:32:24,611 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 09:32:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-12-14 09:32:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 09:32:24,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:24,612 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 09:32:24,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:32:24,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:24,612 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-12-14 09:32:24,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:24,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490091137] [2022-12-14 09:32:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:24,708 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:32:24,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [334535733] [2022-12-14 09:32:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:24,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:24,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:24,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:32:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:25,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:32:25,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:25,305 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 09:32:25,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:25,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:25,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490091137] [2022-12-14 09:32:25,306 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:32:25,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334535733] [2022-12-14 09:32:25,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334535733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:25,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:25,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:32:25,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927537812] [2022-12-14 09:32:25,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:25,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:25,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:25,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:25,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:32:25,308 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 09:32:26,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:26,207 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-12-14 09:32:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:26,211 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 09:32:26,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:26,213 INFO L225 Difference]: With dead ends: 304 [2022-12-14 09:32:26,213 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 09:32:26,213 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 09:32:26,214 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 09:32:26,215 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 09:32:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 09:32:26,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-12-14 09:32:26,228 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 09:32:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-12-14 09:32:26,230 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-12-14 09:32:26,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:26,230 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-12-14 09:32:26,231 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 09:32:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-12-14 09:32:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 09:32:26,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:26,232 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 09:32:26,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:32:26,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:26,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:26,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-12-14 09:32:26,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:26,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374964398] [2022-12-14 09:32:26,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:26,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:32:26,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448106374] [2022-12-14 09:32:26,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:26,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:26,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:26,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:26,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:32:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:26,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:32:26,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:26,888 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 09:32:26,898 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 09:32:26,905 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 09:32:26,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:26,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:26,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374964398] [2022-12-14 09:32:26,906 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:32:26,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448106374] [2022-12-14 09:32:26,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448106374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:26,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:26,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:32:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31906093] [2022-12-14 09:32:26,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:26,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:32:26,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:26,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:32:26,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:32:26,909 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 09:32:28,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:28,197 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-12-14 09:32:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:32:28,200 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 09:32:28,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:28,201 INFO L225 Difference]: With dead ends: 231 [2022-12-14 09:32:28,201 INFO L226 Difference]: Without dead ends: 212 [2022-12-14 09:32:28,202 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 09:32:28,202 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 09:32:28,203 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 09:32:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-12-14 09:32:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-12-14 09:32:28,210 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 09:32:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-12-14 09:32:28,211 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-12-14 09:32:28,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:28,211 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-12-14 09:32:28,211 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 09:32:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-12-14 09:32:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 09:32:28,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:28,212 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 09:32:28,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:32:28,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:28,414 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:28,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:28,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-12-14 09:32:28,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:28,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810353843] [2022-12-14 09:32:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:28,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:28,517 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:32:28,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368091549] [2022-12-14 09:32:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:28,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:28,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:28,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:28,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:32:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:28,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:32:28,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:28,936 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 09:32:28,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:28,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:28,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810353843] [2022-12-14 09:32:28,937 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:32:28,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368091549] [2022-12-14 09:32:28,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368091549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:28,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:28,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:32:28,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695669204] [2022-12-14 09:32:28,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:28,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:32:28,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:28,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:32:28,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:32:28,938 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 09:32:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:29,595 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-12-14 09:32:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:32:29,595 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 09:32:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:29,597 INFO L225 Difference]: With dead ends: 395 [2022-12-14 09:32:29,598 INFO L226 Difference]: Without dead ends: 242 [2022-12-14 09:32:29,599 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 09:32:29,600 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 09:32:29,600 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 09:32:29,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-12-14 09:32:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-12-14 09:32:29,609 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 09:32:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-12-14 09:32:29,610 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-12-14 09:32:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:29,610 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-12-14 09:32:29,610 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 09:32:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-12-14 09:32:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 09:32:29,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:29,611 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 09:32:29,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:32:29,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:29,813 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:29,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:29,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-12-14 09:32:29,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:29,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049916168] [2022-12-14 09:32:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:29,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:29,862 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:32:29,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410887031] [2022-12-14 09:32:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:29,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:29,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:29,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:32:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:39,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:32:39,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:39,956 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 09:32:39,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:39,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:39,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049916168] [2022-12-14 09:32:39,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:32:39,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410887031] [2022-12-14 09:32:39,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410887031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:39,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:39,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:32:39,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496222362] [2022-12-14 09:32:39,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:39,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:32:39,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:39,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:32:39,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:32:39,958 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 09:32:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:40,735 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-12-14 09:32:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:32:40,738 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 09:32:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:40,739 INFO L225 Difference]: With dead ends: 411 [2022-12-14 09:32:40,739 INFO L226 Difference]: Without dead ends: 216 [2022-12-14 09:32:40,740 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 09:32:40,740 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 09:32:40,740 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 09:32:40,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-14 09:32:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-14 09:32:40,748 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 09:32:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-12-14 09:32:40,749 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-12-14 09:32:40,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:40,749 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-12-14 09:32:40,749 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 09:32:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-12-14 09:32:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 09:32:40,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:40,751 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 09:32:40,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:32:40,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 09:32:40,953 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:40,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:40,955 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-12-14 09:32:40,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:40,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103703279] [2022-12-14 09:32:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:40,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:41,037 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:32:41,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2137245638] [2022-12-14 09:32:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:41,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:41,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:41,038 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:41,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727205cf-71e3-4e9c-a513-7db1b72a48f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:33:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:33:13,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:33:13,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:33:13,073 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 09:33:13,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:33:13,135 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 09:33:13,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:33:13,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103703279] [2022-12-14 09:33:13,136 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:33:13,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137245638] [2022-12-14 09:33:13,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137245638] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:33:13,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [932352437] [2022-12-14 09:33:13,151 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 09:33:13,151 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:33:13,154 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:33:13,158 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:33:13,158 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:33:13,237 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 09:33:13,241 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 09:33:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,257 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 09:33:13,258 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 09:33:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,267 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 09:33:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,287 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:33:13,288 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 09:33:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,328 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:33:13,329 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 09:33:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,366 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 09:33:13,366 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 09:33:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,388 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 09:33:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,424 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:33:13,425 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 09:33:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,443 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 09:33:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,733 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 09:33:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,771 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 09:33:13,806 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 09:33:13,821 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 09:33:13,847 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 09:33:13,857 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 09:33:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,905 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 09:33:13,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:13,952 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 09:33:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,016 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 09:33:14,052 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 09:33:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,103 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 09:33:14,104 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 09:33:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,168 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 09:33:14,168 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 09:33:14,195 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 09:33:14,360 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 09:33:14,364 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 09:33:14,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:33:14,416 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:33:14,416 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 09:33:14,444 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 09:33:14,444 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 09:33:14,466 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:33:14,467 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 09:33:14,502 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 09:33:14,506 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 09:33:14,512 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 09:33:14,571 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 09:33:14,593 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 09:33:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,630 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 09:33:14,797 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 09:33:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:14,839 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 09:33:14,860 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 09:33:15,585 INFO L217 Elim1Store]: Index analysis took 474 ms [2022-12-14 09:33:19,510 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 09:33:19,511 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 09:33:20,411 INFO L217 Elim1Store]: Index analysis took 746 ms [2022-12-14 09:33:20,859 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 09:33:20,859 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 09:33:28,816 WARN L233 SmtUtils]: Spent 7.86s 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 09:33:28,817 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 09:33:28,817 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 09:33:29,110 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-12-14 09:33:50,019 WARN L233 SmtUtils]: Spent 20.91s 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 09:33:50,020 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 09:33:50,020 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 09:33:51,613 INFO L217 Elim1Store]: Index analysis took 1141 ms [2022-12-14 09:34:15,270 WARN L233 SmtUtils]: Spent 22.79s 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 09:34:15,270 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 09:34:15,271 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 09:34:16,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:34:16,416 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 09:34:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:16,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:34:16,553 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 09:34:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:17,392 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 09:34:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:17,445 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 09:34:20,252 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-12-14 09:34:20,253 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 09:34:26,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:34:26,884 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:34:26,884 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 09:34:27,659 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:34:33,998 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-12-14 09:34:33,999 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 09:34:34,912 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 09:34:36,566 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-12-14 09:34:36,567 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 09:34:37,382 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 09:34:39,482 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-12-14 09:34:39,483 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 09:35:06,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:07,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:07,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:07,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:08,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,448 INFO L217 Elim1Store]: Index analysis took 5049 ms [2022-12-14 09:35:09,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:09,458 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 09:35:09,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 09:35:11,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:13,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,277 INFO L217 Elim1Store]: Index analysis took 5040 ms [2022-12-14 09:35:15,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:15,289 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 09:35:16,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:16,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:18,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,191 INFO L217 Elim1Store]: Index analysis took 3664 ms [2022-12-14 09:35:19,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:19,201 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 09:35:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:19,561 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 09:35:20,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:20,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:22,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,797 INFO L217 Elim1Store]: Index analysis took 2759 ms [2022-12-14 09:35:22,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:22,806 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 09:35:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:23,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:23,162 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 09:35:23,438 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:35:24,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:24,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,109 INFO L217 Elim1Store]: Index analysis took 1585 ms [2022-12-14 09:35:25,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:25,122 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 09:35:30,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:34,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,310 INFO L217 Elim1Store]: Index analysis took 5606 ms [2022-12-14 09:35:35,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:35,322 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 09:35:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:35,836 INFO L217 Elim1Store]: Index analysis took 106 ms [2022-12-14 09:35:35,837 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 09:35:35,987 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:35:40,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:40,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:40,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:40,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,515 INFO L217 Elim1Store]: Index analysis took 5327 ms [2022-12-14 09:35:41,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:41,525 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 09:35:41,812 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:35:42,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:45,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,815 INFO L217 Elim1Store]: Index analysis took 4766 ms [2022-12-14 09:35:46,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:46,824 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 09:35:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:47,226 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 09:35:48,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,521 INFO L217 Elim1Store]: Index analysis took 1170 ms [2022-12-14 09:35:48,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:35:48,530 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 09:36:00,670 INFO L217 Elim1Store]: Index analysis took 7609 ms [2022-12-14 09:36:01,741 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-12-14 09:36:01,742 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 09:36:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:02,089 INFO L217 Elim1Store]: Index analysis took 203 ms [2022-12-14 09:36:02,437 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:36:02,438 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 09:36:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:02,721 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 09:36:06,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:08,353 INFO L217 Elim1Store]: Index analysis took 5447 ms [2022-12-14 09:36:09,064 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 09:36:09,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:10,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:10,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,789 INFO L217 Elim1Store]: Index analysis took 7410 ms [2022-12-14 09:36:16,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:16,803 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 09:36:17,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:17,226 INFO L217 Elim1Store]: Index analysis took 197 ms [2022-12-14 09:36:17,626 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:36:17,626 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 09:36:17,998 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:36:18,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:20,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:22,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:28,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,131 INFO L217 Elim1Store]: Index analysis took 11449 ms [2022-12-14 09:36:30,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:30,144 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 09:36:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:30,893 INFO L217 Elim1Store]: Index analysis took 340 ms [2022-12-14 09:36:31,728 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:36:31,728 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 09:36:32,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:36:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:34,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:35,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:36:35,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,099 INFO L217 Elim1Store]: Index analysis took 3800 ms [2022-12-14 09:36:36,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:36:36,108 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 09:36:36,248 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 09:36:36,622 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:49,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:37:49,757 INFO L217 Elim1Store]: Index analysis took 1966 ms [2022-12-14 09:37:49,870 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 09:37:51,263 INFO L217 Elim1Store]: Index analysis took 400 ms [2022-12-14 09:39:39,833 WARN L233 SmtUtils]: Spent 1.81m 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 09:39:39,836 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-12-14 09:39:39,843 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