./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba --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 46bbe683d8965e9a855fbd780578b958a816bbdd25bc1fa0d6151e1b826f8669 --- 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-b5237d8 [2022-11-22 01:30:01,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:30:01,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:30:01,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:30:01,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:30:01,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:30:01,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:30:01,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:30:01,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:30:01,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:30:01,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:30:01,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:30:01,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:30:01,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:30:01,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:30:01,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:30:01,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:30:01,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:30:01,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:30:01,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:30:01,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:30:01,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:30:01,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:30:01,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:30:01,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:30:01,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:30:01,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:30:01,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:30:01,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:30:01,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:30:01,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:30:01,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:30:01,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:30:01,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:30:01,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:30:01,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:30:01,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:30:01,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:30:01,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:30:01,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:30:01,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:30:01,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 01:30:01,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:30:01,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:30:01,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:30:01,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:30:01,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:30:01,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:30:01,593 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:30:01,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:30:01,594 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:30:01,594 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:30:01,595 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:30:01,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:30:01,596 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:30:01,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:30:01,596 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:30:01,597 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:30:01,597 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:30:01,597 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:30:01,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:30:01,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:30:01,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:30:01,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:30:01,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:30:01,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:30:01,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:30:01,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:30:01,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:30:01,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:30:01,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:30:01,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:30:01,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:30:01,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:30:01,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:01,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:30:01,602 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:30:01,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:30:01,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:30:01,604 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:30:01,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:30:01,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:30:01,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:30:01,605 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_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46bbe683d8965e9a855fbd780578b958a816bbdd25bc1fa0d6151e1b826f8669 [2022-11-22 01:30:01,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:30:01,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:30:01,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:30:01,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:30:01,912 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:30:01,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2022-11-22 01:30:05,015 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:30:05,387 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:30:05,388 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2022-11-22 01:30:05,412 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/data/62760d720/993392abdbe643f2b2084d4965ce793b/FLAGd6f5f1af5 [2022-11-22 01:30:05,427 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/data/62760d720/993392abdbe643f2b2084d4965ce793b [2022-11-22 01:30:05,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:30:05,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:30:05,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:05,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:30:05,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:30:05,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:05" (1/1) ... [2022-11-22 01:30:05,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1689215d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:05, skipping insertion in model container [2022-11-22 01:30:05,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:05" (1/1) ... [2022-11-22 01:30:05,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:30:05,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:30:05,931 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_84a3749a-5c91-4f46-856b-dc6ed4ab0709/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i[24361,24374] [2022-11-22 01:30:05,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:05,952 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:30:06,024 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_84a3749a-5c91-4f46-856b-dc6ed4ab0709/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i[24361,24374] [2022-11-22 01:30:06,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:06,059 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:30:06,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06 WrapperNode [2022-11-22 01:30:06,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:06,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:06,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:30:06,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:30:06,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,109 INFO L138 Inliner]: procedures = 127, calls = 38, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2022-11-22 01:30:06,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:06,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:30:06,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:30:06,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:30:06,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:30:06,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:30:06,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:30:06,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:30:06,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (1/1) ... [2022-11-22 01:30:06,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:06,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:30:06,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:30:06,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:30:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-22 01:30:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-22 01:30:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:30:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:30:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:30:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:30:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:30:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:30:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:30:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:30:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:30:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:30:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:30:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:30:06,447 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:30:06,449 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:30:06,514 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-22 01:30:06,786 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:30:06,930 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:30:06,931 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 01:30:06,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:30:06 BoogieIcfgContainer [2022-11-22 01:30:06,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:30:06,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:30:06,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:30:06,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:30:06,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:30:05" (1/3) ... [2022-11-22 01:30:06,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358b8ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:30:06, skipping insertion in model container [2022-11-22 01:30:06,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:06" (2/3) ... [2022-11-22 01:30:06,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358b8ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:30:06, skipping insertion in model container [2022-11-22 01:30:06,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:30:06" (3/3) ... [2022-11-22 01:30:06,949 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_equal.i [2022-11-22 01:30:06,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:30:06,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:30:07,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:30:07,040 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;@2c2ca546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:30:07,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:30:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:30:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:30:07,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:30:07,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:30:07,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:30:07,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:30:07,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1605963889, now seen corresponding path program 1 times [2022-11-22 01:30:07,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:30:07,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715359275] [2022-11-22 01:30:07,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:30:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:30:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:30:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:30:07,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:30:07,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715359275] [2022-11-22 01:30:07,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715359275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:30:07,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:30:07,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:30:07,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193345448] [2022-11-22 01:30:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:30:07,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:30:07,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:30:07,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:30:07,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:30:07,553 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:30:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:30:07,678 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2022-11-22 01:30:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:30:07,680 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:30:07,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:30:07,687 INFO L225 Difference]: With dead ends: 35 [2022-11-22 01:30:07,687 INFO L226 Difference]: Without dead ends: 14 [2022-11-22 01:30:07,690 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 [2022-11-22 01:30:07,694 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:30:07,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:30:07,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-22 01:30:07,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-22 01:30:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:30:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-11-22 01:30:07,730 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2022-11-22 01:30:07,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:30:07,731 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-22 01:30:07,732 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:30:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-22 01:30:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:30:07,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:30:07,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:30:07,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:30:07,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:30:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:30:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash -328058992, now seen corresponding path program 1 times [2022-11-22 01:30:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:30:07,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843474337] [2022-11-22 01:30:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:30:07,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:30:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:30:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:30:08,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:30:08,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843474337] [2022-11-22 01:30:08,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843474337] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:30:08,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950292800] [2022-11-22 01:30:08,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:30:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:30:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:30:08,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:30:08,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a3749a-5c91-4f46-856b-dc6ed4ab0709/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:30:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:30:08,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:30:08,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:30:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:30:08,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:30:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:30:08,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950292800] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:30:08,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [358010259] [2022-11-22 01:30:08,436 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-22 01:30:08,436 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:30:08,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:30:08,447 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:30:08,450 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:30:08,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,580 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 01:30:08,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-22 01:30:08,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-22 01:30:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,698 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-22 01:30:08,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-22 01:30:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,759 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:30:08,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:30:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,872 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 37 treesize of output 28 [2022-11-22 01:30:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 31 [2022-11-22 01:30:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,915 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 21 treesize of output 26 [2022-11-22 01:30:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:08,940 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 21 treesize of output 26 [2022-11-22 01:30:09,138 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-11-22 01:30:09,139 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 275 treesize of output 284 [2022-11-22 01:30:09,287 INFO L321 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2022-11-22 01:30:09,288 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 278 treesize of output 294 [2022-11-22 01:30:09,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:09,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,025 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-22 01:30:10,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 283 treesize of output 269 [2022-11-22 01:30:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,145 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 01:30:10,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 287 treesize of output 272 [2022-11-22 01:30:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 267 [2022-11-22 01:30:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 267 [2022-11-22 01:30:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:10,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:10,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:10,381 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-22 01:30:10,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 423 treesize of output 451 [2022-11-22 01:30:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:10,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:10,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 523 [2022-11-22 01:30:10,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 112 treesize of output 54 [2022-11-22 01:30:10,505 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 13 [2022-11-22 01:30:10,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:10,525 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 34 treesize of output 17 [2022-11-22 01:30:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,583 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-22 01:30:10,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 415 treesize of output 370 [2022-11-22 01:30:10,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 108 treesize of output 54 [2022-11-22 01:30:10,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:10,870 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 27 treesize of output 17 [2022-11-22 01:30:10,892 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 28 treesize of output 16 [2022-11-22 01:30:11,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:30:11,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:30:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:11,569 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-22 01:30:11,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 189 [2022-11-22 01:30:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:11,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:11,642 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-22 01:30:11,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 173 [2022-11-22 01:30:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 01:30:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-22 01:30:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-22 01:30:11,835 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-22 01:30:11,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 101 [2022-11-22 01:30:11,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 71 [2022-11-22 01:30:11,917 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-22 01:30:11,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 145 [2022-11-22 01:30:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:11,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 91 [2022-11-22 01:30:11,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-11-22 01:30:11,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:30:12,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:30:12,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:30:12,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:30:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:12,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:12,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:39,219 WARN L233 SmtUtils]: Spent 27.00s on a formula simplification. DAG size of input: 177 DAG size of output: 93 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:30:39,221 INFO L321 Elim1Store]: treesize reduction 1115, result has 17.7 percent of original size [2022-11-22 01:30:39,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1599 treesize of output 2446 [2022-11-22 01:30:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:39,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:30:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:30:39,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:58,232 WARN L233 SmtUtils]: Spent 4.31m on a formula simplification. DAG size of input: 220 DAG size of output: 139 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:34:58,233 INFO L321 Elim1Store]: treesize reduction 655, result has 38.4 percent of original size [2022-11-22 01:34:58,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 4189 treesize of output 4036 [2022-11-22 01:34:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:59,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:59,895 INFO L217 Elim1Store]: Index analysis took 189 ms [2022-11-22 01:35:00,322 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 55 treesize of output 17 [2022-11-22 01:35:02,073 INFO L217 Elim1Store]: Index analysis took 269 ms [2022-11-22 01:35:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:02,725 INFO L321 Elim1Store]: treesize reduction 41, result has 37.9 percent of original size [2022-11-22 01:35:02,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 155 [2022-11-22 01:35:03,386 INFO L217 Elim1Store]: Index analysis took 313 ms [2022-11-22 01:35:05,462 INFO L321 Elim1Store]: treesize reduction 83, result has 30.8 percent of original size [2022-11-22 01:35:05,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 73 [2022-11-22 01:35:06,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2022-11-22 01:35:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:06,148 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 37 treesize of output 25 [2022-11-22 01:35:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:06,297 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 48 treesize of output 36 [2022-11-22 01:35:08,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:25,417 WARN L233 SmtUtils]: Spent 16.64s on a formula simplification. DAG size of input: 43 DAG size of output: 34 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:35:25,418 INFO L321 Elim1Store]: treesize reduction 56, result has 55.2 percent of original size [2022-11-22 01:35:25,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 11832 treesize of output 11785 [2022-11-22 01:35:26,172 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:35:26,265 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:35:26,315 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:35:26,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:35:27,264 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:35:27,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 137 [2022-11-22 01:35:27,399 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:44:27,251 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 78566 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 01:44:50,349 WARN L233 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 78565 DAG size of output: 78565 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)