./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/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_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/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_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/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 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- 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 11:55:07,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:55:07,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:55:07,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:55:07,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:55:07,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:55:07,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:55:07,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:55:07,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:55:07,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:55:07,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:55:07,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:55:07,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:55:07,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:55:07,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:55:07,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:55:07,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:55:07,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:55:07,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:55:07,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:55:07,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:55:07,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:55:07,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:55:07,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:55:07,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:55:07,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:55:07,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:55:07,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:55:07,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:55:07,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:55:07,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:55:07,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:55:07,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:55:07,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:55:07,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:55:07,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:55:07,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:55:07,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:55:07,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:55:07,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:55:07,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:55:07,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 11:55:07,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:55:07,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:55:07,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:55:07,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:55:07,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:55:07,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:55:07,622 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:55:07,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:55:07,622 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:55:07,622 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:55:07,622 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:55:07,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:55:07,623 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:55:07,623 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:55:07,623 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:55:07,623 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:55:07,624 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:55:07,624 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:55:07,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:55:07,624 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:55:07,625 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:55:07,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:55:07,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:55:07,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:55:07,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:55:07,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:55:07,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:55:07,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:55:07,627 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:55:07,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:55:07,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:55:07,627 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:55:07,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:55:07,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:55:07,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:55:07,628 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_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2022-12-14 11:55:07,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:55:07,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:55:07,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:55:07,814 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:55:07,814 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:55:07,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2022-12-14 11:55:10,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:55:10,602 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:55:10,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2022-12-14 11:55:10,613 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/data/4cfb32869/0bff617f0a6f4761a16eddc5a16afd41/FLAGe02b94338 [2022-12-14 11:55:10,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/data/4cfb32869/0bff617f0a6f4761a16eddc5a16afd41 [2022-12-14 11:55:10,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:55:10,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:55:10,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:55:10,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:55:10,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:55:10,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:55:10" (1/1) ... [2022-12-14 11:55:10,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c170918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:10, skipping insertion in model container [2022-12-14 11:55:10,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:55:10" (1/1) ... [2022-12-14 11:55:10,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:55:10,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:55:10,925 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_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i[33021,33034] [2022-12-14 11:55:11,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:55:11,018 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:55:11,038 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_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i[33021,33034] [2022-12-14 11:55:11,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:55:11,108 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:55:11,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11 WrapperNode [2022-12-14 11:55:11,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:55:11,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:55:11,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:55:11,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:55:11,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,200 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-12-14 11:55:11,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:55:11,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:55:11,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:55:11,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:55:11,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:55:11,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:55:11,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:55:11,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:55:11,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (1/1) ... [2022-12-14 11:55:11,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:55:11,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:11,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:55:11,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:55:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 11:55:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 11:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 11:55:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 11:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:55:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:55:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:55:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:55:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:55:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:55:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:55:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:55:11,562 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:55:11,564 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:55:12,768 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:55:13,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:55:13,106 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-12-14 11:55:13,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:13 BoogieIcfgContainer [2022-12-14 11:55:13,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:55:13,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:55:13,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:55:13,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:55:13,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:55:10" (1/3) ... [2022-12-14 11:55:13,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ddf44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:55:13, skipping insertion in model container [2022-12-14 11:55:13,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:11" (2/3) ... [2022-12-14 11:55:13,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ddf44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:55:13, skipping insertion in model container [2022-12-14 11:55:13,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:13" (3/3) ... [2022-12-14 11:55:13,115 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-3.i [2022-12-14 11:55:13,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:55:13,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:55:13,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:55:13,173 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;@6eb2deee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:55:13,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:55:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 11:55:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:55:13,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:13,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:13,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:55:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-12-14 11:55:13,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:13,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285884323] [2022-12-14 11:55:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:13,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:13,366 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 11:55:13,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:13,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285884323] [2022-12-14 11:55:13,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285884323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:13,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:13,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:55:13,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724596565] [2022-12-14 11:55:13,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:13,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:13,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:13,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:13,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:13,395 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 11:55:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:15,414 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-12-14 11:55:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:15,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 8 [2022-12-14 11:55:15,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:15,431 INFO L225 Difference]: With dead ends: 399 [2022-12-14 11:55:15,431 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 11:55:15,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:55:15,437 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:15,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 11:55:15,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 11:55:15,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 11:55:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 11:55:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 11:55:15,479 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 11:55:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:15,480 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 11:55:15,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 11:55:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 11:55:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 11:55:15,483 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:15,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:15,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:55:15,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:55:15,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:15,484 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-12-14 11:55:15,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:15,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949434762] [2022-12-14 11:55:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:15,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:15,674 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:55:15,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899164639] [2022-12-14 11:55:15,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:15,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:15,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:15,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:55:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:16,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:55:16,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:16,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:16,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949434762] [2022-12-14 11:55:16,723 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:55:16,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899164639] [2022-12-14 11:55:16,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899164639] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:55:16,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [64634374] [2022-12-14 11:55:16,744 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 11:55:16,745 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:55:16,748 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:55:16,753 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:55:16,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:55:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:16,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:16,857 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:55:16,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 11:55:16,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:16,877 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 11:55:16,904 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:55:16,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:55:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:16,924 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 11:55:16,953 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:55:16,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:55:17,256 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 11:55:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:55:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 11:55:17,375 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 11:55:17,431 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:55:17,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:55:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,446 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 11:55:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,465 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:55:17,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 11:55:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,484 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 11:55:17,516 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:55:17,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:55:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:55:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:17,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 11:55:17,906 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 11:55:17,921 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 11:55:17,940 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:55:32,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [64634374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:32,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:55:32,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 11:55:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850991124] [2022-12-14 11:55:32,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:32,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:55:32,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:32,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:55:32,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 11:55:32,255 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 11:55:34,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:55:36,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:55:38,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:55:43,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 11:55:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:45,001 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 11:55:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:55:45,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-12-14 11:55:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:45,002 INFO L225 Difference]: With dead ends: 265 [2022-12-14 11:55:45,002 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 11:55:45,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 11:55:45,004 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:45,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2022-12-14 11:55:45,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 11:55:45,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 11:55:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 11:55:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 11:55:45,017 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 11:55:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:45,017 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 11:55:45,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 11:55:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 11:55:45,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 11:55:45,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:45,019 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2022-12-14 11:55:45,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:55:45,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:45,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:55:45,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-12-14 11:55:45,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:45,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70043900] [2022-12-14 11:55:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:45,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:45,377 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:55:45,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352598536] [2022-12-14 11:55:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:45,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:45,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:45,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:55:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:46,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:55:46,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 11:55:46,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 11:55:46,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:46,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70043900] [2022-12-14 11:55:46,262 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:55:46,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352598536] [2022-12-14 11:55:46,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352598536] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:55:46,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [427102683] [2022-12-14 11:55:46,266 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 11:55:46,267 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:55:46,267 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:55:46,267 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:55:46,267 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:55:46,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,335 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:55:46,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 11:55:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,348 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 11:55:46,370 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:55:46,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:55:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,384 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 11:55:46,409 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:55:46,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:55:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:55:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 11:55:46,677 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 11:55:46,689 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 11:55:46,710 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 11:55:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:55:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:55:46,810 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 11:55:46,837 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 11:55:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:55:46,891 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 11:55:46,951 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:55:46,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 11:55:46,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 11:55:47,162 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:55:47,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:55:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,176 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 11:55:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,186 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 11:55:47,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:55:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:47,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 11:55:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:55:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 11:55:47,519 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 11:55:47,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 11:55:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:55:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:55:47,646 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 11:55:47,656 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 11:55:47,699 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 11:55:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:47,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:55:47,754 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 11:55:47,805 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:55:47,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 11:55:47,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 11:55:48,062 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 11:55:48,125 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:56:00,854 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:56:10,426 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:56:26,505 WARN L233 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:56:38,632 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:56:39,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [427102683] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:56:39,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:56:39,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 11:56:39,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100592199] [2022-12-14 11:56:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:56:39,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:56:39,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:56:39,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:56:39,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 11:56:39,111 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:56:41,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:43,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:45,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:47,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:49,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:51,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:53,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:55,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:56:57,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:57:03,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 11:57:09,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:57:12,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:57:14,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 11:57:15,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:57:15,154 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 11:57:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:57:15,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-12-14 11:57:15,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:57:15,156 INFO L225 Difference]: With dead ends: 267 [2022-12-14 11:57:15,156 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 11:57:15,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.0s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 11:57:15,157 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:57:15,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 432 Invalid, 11 Unknown, 0 Unchecked, 36.0s Time] [2022-12-14 11:57:15,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 11:57:15,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 11:57:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 11:57:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 11:57:15,184 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 11:57:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:57:15,184 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 11:57:15,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:57:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 11:57:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 11:57:15,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:57:15,186 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-12-14 11:57:15,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:57:15,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:57:15,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:57:15,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:57:15,389 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-12-14 11:57:15,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:57:15,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898504853] [2022-12-14 11:57:15,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:57:15,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:57:15,505 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:57:15,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450250120] [2022-12-14 11:57:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:57:15,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:57:15,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:57:15,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:57:15,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3363f6-b8ef-488f-8104-c3bcbcefe3aa/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:57:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:57:16,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:57:16,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:57:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 11:57:16,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:57:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 11:57:16,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:57:16,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898504853] [2022-12-14 11:57:16,453 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:57:16,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450250120] [2022-12-14 11:57:16,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450250120] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:57:16,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [122447753] [2022-12-14 11:57:16,455 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 11:57:16,455 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:57:16,455 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:57:16,455 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:57:16,456 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:57:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,501 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 11:57:16,529 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:57:16,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:57:16,560 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:57:16,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:57:16,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,571 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 11:57:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:57:16,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 11:57:16,752 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 11:57:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 11:57:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 11:57:16,831 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 11:57:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:57:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:16,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:57:16,940 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 11:57:16,950 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 11:57:16,979 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 11:57:17,027 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 11:57:17,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 11:57:17,084 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:57:17,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 11:57:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 11:57:17,146 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 11:57:17,236 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 11:57:17,239 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 11:57:17,242 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 11:57:17,278 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 11:57:17,278 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 53 treesize of output 56 [2022-12-14 11:57:17,303 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:57:17,303 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 47 treesize of output 50 [2022-12-14 11:57:17,325 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:57:17,325 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 11:57:17,350 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 11:57:17,354 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 11:57:17,358 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 11:57:17,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 11:57:17,431 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 11:57:17,446 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 11:57:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:17,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 11:57:17,573 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 11:57:17,595 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 11:57:18,567 INFO L217 Elim1Store]: Index analysis took 793 ms [2022-12-14 11:57:21,818 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 11:57:21,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-12-14 11:57:22,481 INFO L217 Elim1Store]: Index analysis took 539 ms [2022-12-14 11:57:24,725 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 11:57:24,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-12-14 11:57:32,859 WARN L233 SmtUtils]: Spent 7.96s 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 11:57:32,860 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 11:57:32,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 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 11:57:52,661 WARN L233 SmtUtils]: Spent 19.68s 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 11:57:52,662 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 11:57:52,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-12-14 11:57:53,340 INFO L217 Elim1Store]: Index analysis took 523 ms [2022-12-14 11:58:15,766 WARN L233 SmtUtils]: Spent 21.76s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:58:15,766 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-12-14 11:58:15,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-12-14 11:58:16,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:58:16,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:58:16,678 INFO L217 Elim1Store]: Index analysis took 447 ms [2022-12-14 11:58:16,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-12-14 11:58:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:16,792 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 40 treesize of output 30 [2022-12-14 11:58:16,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:58:17,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:58:17,228 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-12-14 11:58:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:17,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:17,358 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 71 treesize of output 57 [2022-12-14 11:58:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:18,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 12:01:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:09,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 12:04:48,566 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 4121 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 12:07:04,003 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 30 treesize of output 20 [2022-12-14 12:07:04,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 12:07:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:07:04,136 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 30 treesize of output 20 [2022-12-14 12:09:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:09:48,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-12-14 12:09:48,094 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 21 treesize of output 15