./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P --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 208d04089fa2c50848123d29dd18b6b2021c1b591464bd422fd10955aaeec7fc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:28:39,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:28:39,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:28:39,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:28:39,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:28:39,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:28:39,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:28:39,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:28:39,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:28:39,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:28:39,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:28:39,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:28:39,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:28:39,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:28:39,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:28:39,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:28:39,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:28:39,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:28:39,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:28:39,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:28:39,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:28:39,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:28:39,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:28:39,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:28:39,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:28:39,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:28:39,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:28:39,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:28:39,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:28:39,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:28:39,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:28:39,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:28:39,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:28:39,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:28:39,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:28:39,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:28:39,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:28:39,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:28:39,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:28:39,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:28:39,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:28:39,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:28:39,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:28:39,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:28:39,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:28:39,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:28:39,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:28:39,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:28:39,750 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:28:39,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:28:39,751 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:28:39,751 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:28:39,752 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:28:39,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:28:39,753 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:28:39,753 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:28:39,753 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:28:39,753 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:28:39,754 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:28:39,754 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:28:39,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:28:39,755 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:28:39,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:28:39,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:28:39,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:28:39,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:28:39,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:28:39,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:28:39,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:28:39,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:28:39,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:28:39,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:28:39,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:28:39,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:28:39,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:28:39,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:28:39,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:28:39,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:28:39,762 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:28:39,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:28:39,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:28:39,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:28:39,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:28:39,763 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 208d04089fa2c50848123d29dd18b6b2021c1b591464bd422fd10955aaeec7fc [2021-11-21 01:28:40,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:28:40,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:28:40,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:28:40,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:28:40,074 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:28:40,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2021-11-21 01:28:40,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/data/689f42af8/051429ec0faa4352a00d2843aa3f572e/FLAG478ded072 [2021-11-21 01:28:40,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:28:40,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2021-11-21 01:28:40,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/data/689f42af8/051429ec0faa4352a00d2843aa3f572e/FLAG478ded072 [2021-11-21 01:28:40,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/data/689f42af8/051429ec0faa4352a00d2843aa3f572e [2021-11-21 01:28:40,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:28:40,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:28:40,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:28:40,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:28:40,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:28:40,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:28:40" (1/1) ... [2021-11-21 01:28:40,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7990bd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:40, skipping insertion in model container [2021-11-21 01:28:40,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:28:40" (1/1) ... [2021-11-21 01:28:41,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:28:41,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:28:41,377 WARN L230 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_3311d893-d0c6-4f37-a232-c619f5738106/sv-benchmarks/c/list-simple/dll2c_append_equal.i[24585,24598] [2021-11-21 01:28:41,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:28:41,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:28:41,470 WARN L230 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_3311d893-d0c6-4f37-a232-c619f5738106/sv-benchmarks/c/list-simple/dll2c_append_equal.i[24585,24598] [2021-11-21 01:28:41,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:28:41,508 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:28:41,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41 WrapperNode [2021-11-21 01:28:41,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:28:41,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:28:41,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:28:41,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:28:41,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,562 INFO L137 Inliner]: procedures = 127, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2021-11-21 01:28:41,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:28:41,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:28:41,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:28:41,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:28:41,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:28:41,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:28:41,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:28:41,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:28:41,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (1/1) ... [2021-11-21 01:28:41,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:28:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:28:41,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:28:41,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:28:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:28:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:28:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-21 01:28:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-21 01:28:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:28:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:28:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:28:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:28:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:28:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:28:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:28:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:28:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:28:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:28:41,807 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:28:41,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:28:42,153 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:28:42,213 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:28:42,213 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 01:28:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:28:42 BoogieIcfgContainer [2021-11-21 01:28:42,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:28:42,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:28:42,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:28:42,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:28:42,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:28:40" (1/3) ... [2021-11-21 01:28:42,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585ab147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:28:42, skipping insertion in model container [2021-11-21 01:28:42,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:28:41" (2/3) ... [2021-11-21 01:28:42,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585ab147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:28:42, skipping insertion in model container [2021-11-21 01:28:42,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:28:42" (3/3) ... [2021-11-21 01:28:42,237 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_append_equal.i [2021-11-21 01:28:42,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:28:42,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:28:42,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:28:42,299 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:28:42,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:28:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:28:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:28:42,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:28:42,322 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:28:42,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:28:42,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:28:42,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1264371919, now seen corresponding path program 1 times [2021-11-21 01:28:42,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:28:42,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220813000] [2021-11-21 01:28:42,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:42,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:28:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:28:42,559 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:28:42,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220813000] [2021-11-21 01:28:42,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220813000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:28:42,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:28:42,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:28:42,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115371644] [2021-11-21 01:28:42,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:28:42,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:28:42,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:28:42,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:28:42,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:28:42,597 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:28:42,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:28:42,785 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2021-11-21 01:28:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:28:42,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2021-11-21 01:28:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:28:42,797 INFO L225 Difference]: With dead ends: 43 [2021-11-21 01:28:42,797 INFO L226 Difference]: Without dead ends: 20 [2021-11-21 01:28:42,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:28:42,806 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:28:42,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 41 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:28:42,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-21 01:28:42,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-11-21 01:28:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:28:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-11-21 01:28:42,857 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 15 [2021-11-21 01:28:42,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:28:42,857 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-11-21 01:28:42,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:28:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-21 01:28:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 01:28:42,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:28:42,861 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:28:42,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:28:42,862 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:28:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:28:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -336525961, now seen corresponding path program 1 times [2021-11-21 01:28:42,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:28:42,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198175415] [2021-11-21 01:28:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:42,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:28:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:28:44,651 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:28:44,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198175415] [2021-11-21 01:28:44,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198175415] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:28:44,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931843024] [2021-11-21 01:28:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:44,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:28:44,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:28:44,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:28:44,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3311d893-d0c6-4f37-a232-c619f5738106/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:28:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:44,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-21 01:28:44,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:28:44,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-21 01:28:45,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-11-21 01:28:45,315 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:28:45,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:28:45,584 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:28:45,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:28:45,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:28:45,853 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:28:45,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-11-21 01:28:46,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 60 [2021-11-21 01:28:46,075 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-11-21 01:28:46,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 36 [2021-11-21 01:28:46,369 INFO L354 Elim1Store]: treesize reduction 268, result has 11.8 percent of original size [2021-11-21 01:28:46,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 311 treesize of output 155 [2021-11-21 01:28:46,419 INFO L354 Elim1Store]: treesize reduction 250, result has 12.9 percent of original size [2021-11-21 01:28:46,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 267 treesize of output 186 [2021-11-21 01:28:48,734 INFO L354 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2021-11-21 01:28:48,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 174 treesize of output 64 [2021-11-21 01:28:48,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2021-11-21 01:28:48,755 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 01:28:48,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:55,093 INFO L354 Elim1Store]: treesize reduction 295, result has 10.3 percent of original size [2021-11-21 01:28:55,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 251 treesize of output 258 [2021-11-21 01:28:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:55,265 INFO L354 Elim1Store]: treesize reduction 663, result has 7.0 percent of original size [2021-11-21 01:28:55,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 230 treesize of output 149 [2021-11-21 01:28:55,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:55,303 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-21 01:28:55,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 219 treesize of output 183 [2021-11-21 01:28:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:55,337 INFO L354 Elim1Store]: treesize reduction 64, result has 28.1 percent of original size [2021-11-21 01:28:55,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 208 treesize of output 208 [2021-11-21 01:28:55,929 INFO L354 Elim1Store]: treesize reduction 242, result has 0.4 percent of original size [2021-11-21 01:28:55,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 4264206 treesize of output 2158916 [2021-11-21 01:29:02,149 INFO L354 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2021-11-21 01:29:02,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 29269938 treesize of output 20954453